Tender Low Carb Steak Fajita Bowl: Keto Dinner Recipe

Featured in Dinner Mains.

Enjoy a vibrant Low Carb Steak Fajita Bowl. Juicy steak, sizzling peppers, and a zesty lime marinade make this keto dinner recipe a weeknight favorite.
David Chen - Recipe Author
Updated on February 17, 2026 at 03:24 AM
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Tender Low Carb Steak Fajita Bowl: Keto Dinner Recipe | RecipesByLeah

Honestly, I remember a Tuesday evening, total chaos after work, staring into the fridge wondering what on earth I could whip up that wasn't, well, boring. My eyes landed on some beautiful skirt steak and a pile of colorful bell peppers. Instantly, the memory of sizzling fajitas from my favorite Mexican spot popped into my head. But, you know, tortillas weren't exactly on the low-carb menu. That's when the idea for this Low Carb Steak Fajita Bowl hit me. It's more than just a meal, it's that feeling of bringing a vibrant, flavorful fiesta right to your kitchen, without any of the fuss or the carbs. The smell of the peppers charring and the steak searing? Pure magic, I'm telling you.

Oh, I totally messed up the first time I made this Low Carb Steak Fajita Bowl. I was so excited, I cranked the heat way too high on my cast iron pan and, well, let's just say my kitchen briefly became a smokehouse. The smoke detector had a field day, and I had to air out the whole house! But even with slightly burnt peppers, the flavor was still there, so I knew I was onto something good. Live and learn, right? Now I know the trick is high heat, but not that high.

Low Carb Steak Fajita Bowl Ingredients

  • Skirt Steak: This cut is thin and cooks quickly, perfect for fajitas! Honestly, it soaks up that marinade like a dream, giving you tender, flavorful bites every time.
  • Bell Peppers (various colors): I always go for a mix of red, yellow, and orange. They bring so much color and a lovely sweetness once charred. Tried green once, and it was a bit too bitter for my taste, but you do you!
  • Red Onion: It caramelizes beautifully, adding a nice savory depth. I'm a bit heavy-handed with onion, to be real, because that sweetness against the spicy steak? Chef's kiss.
  • Olive Oil: My go-to for searing. It helps everything get that gorgeous char without sticking. I once tried butter, and it just didn't get that same sizzle.
  • Lime Juice (freshly squeezed): Do NOT use the bottled stuff, please! Fresh lime brightens everything up and is essential for that signature fajita tang. It's like a burst of sunshine in your bowl.
  • Garlic (minced): I mean, is it even cooking without garlic? It's the backbone of flavor here. The smell when it hits the hot pan with the peppers is just heavenly.
  • Chili Powder: Adds that classic, smoky fajita flavor. I usually add a bit more than the recipe calls for because I like a little kick, but start with the suggested amount.
  • Cumin: Earthy and warm, it's non-negotiable for authentic fajita flavor. It just smells like a good time!
  • Smoked Paprika: This is my secret weapon for an extra layer of smoky depth. It makes you feel like you've been grilling all day, even if you just used a skillet.
  • Dried Oregano: A little bit goes a long way here, adding that herbaceous touch. Fresh is great too, but dried works perfectly fine for the marinade.
  • Avocado: Creamy, cool, and a must-have topping. It balances out the spice so well. I always seem to pick the one that's either too hard or too soft, oops!
  • Fresh Cilantro: Chopped and sprinkled generously for a burst of freshness. If you're one of those 'cilantro tastes like soap' people, just skip it, no judgment!
  • Sour Cream or Greek Yogurt: A dollop for tang and creaminess. Greek yogurt is a fantastic lighter alternative that still gives you that cooling effect.

Crafting Your Low Carb Steak Fajita Bowl

Prep Your Steak:
Alright, first things first! Get that skirt steak nice and patted dry. This is super important for a good sear, trust me. Then, slice it against the grain into thin strips, about 1/4-inch thick. I always try to make them even, but honestly, some pieces end up a little chunkier, and it's fine! Now, in a bowl, toss the steak with olive oil, lime juice, minced garlic, chili powder, cumin, smoked paprika, oregano, salt, and pepper. Give it a good massage with your hands really get those flavors in there! Let it sit for at least 30 minutes, or even better, an hour on the counter. Don't go more than 2 hours at room temp, though, safety first!
Slice Those Veggies:
While your steak is marinating, chop up your bell peppers and red onion into thin strips. I try to make them about the same size as my steak strips so everything cooks evenly. This is where I sometimes get a little messy, with pepper seeds flying everywhere, but hey, that's real cooking! You want them ready to go so you can move quickly once the pan is hot. Speaking of, make sure your skillet is ready for action cast iron is my absolute favorite for getting that perfect char. It just holds heat so well.
Sear the Steak:
Time for the sizzle! Get a large cast iron skillet or heavy-bottomed pan screaming hot over medium-high heat. Add a touch more olive oil. Once it's shimmering, add half of your steak strips in a single layer. Don't overcrowd the pan, this is where I used to go wrong! Let it sear for 1-2 minutes per side for medium-rare, or longer if you prefer. You're looking for a beautiful, crusty brown. Remove the cooked steak to a plate and loosely tent it with foil. Repeat with the remaining steak. Resting the steak is crucial, don't skip it!
Sauté the Fajita Veggies:
In the same skillet (don't clean it, those browned bits are flavor!), add a little more olive oil if needed. Toss in your sliced bell peppers and red onion. Sauté for about 5-7 minutes, stirring occasionally, until they’re tender-crisp and have a nice char around the edges. I love the smell of the peppers softening and sweetening, it fills the whole kitchen! Sometimes I add a pinch more chili powder here if I'm feeling extra spicy. You want them cooked through but still with a bit of bite, not mushy.
Combine and Serve:
Once the veggies are done, return the rested steak and any accumulated juices back to the skillet with the peppers and onions. Give it a quick toss to combine everything and let the flavors meld together for another minute or two over low heat. This is where the magic really happens, and everything comes together into a glorious Low Carb Steak Fajita Bowl. I always sneak a little taste here, just to make sure the seasoning is spot on usually means I add a tiny bit more salt, oops!
Assemble Your Low Carb Steak Fajita Bowl:
Now for the best part assembly! Divide the sizzling steak and veggies among your serving bowls. Top each Low Carb Steak Fajita Bowl generously with slices of fresh avocado, a sprinkle of fresh cilantro, and a dollop of sour cream or Greek yogurt. A final squeeze of fresh lime juice over the top is non-negotiable, it just brightens everything up and makes the flavors pop! The colors are just so vibrant, it almost looks too good to eat. Almost. Enjoy this delicious, satisfying keto dinner recipe!

There's something so satisfying about seeing this Low Carb Steak Fajita Bowl come together, all those vibrant colors in one dish. I remember one evening, after a particularly long day, just chopping veggies and listening to some music. It felt almost therapeutic, and the reward of that first bite of juicy steak and charred pepper? Absolutely worth any kitchen chaos. It’s those small moments of delicious creation that make cooking so special.

Low Carb Steak Fajita Bowl Storage Tips

This Low Carb Steak Fajita Bowl is amazing for meal prep! I've found that storing the cooked steak and veggies separately works best for freshness. Just pop them into airtight containers in the fridge, and they'll happily last for 3-4 days. When reheating, I usually warm the steak and veggies in a skillet over medium heat to avoid them getting rubbery in the microwave I microwaved it once, and the steak got a bit tough, so don't do that lol. If you're planning to make a big batch, keep the avocado and cilantro separate until you're ready to serve, as they don't hold up well to reheating. The sour cream or Greek yogurt should also be added fresh. This way, every Low Carb Steak Fajita Bowl feels like it was just made!

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Ingredient Substitutions for Your Low Carb Steak Fajita Bowl

Life happens, and sometimes you don't have exactly what the recipe calls for. I've been there! No skirt steak? Flank steak works wonderfully here, too, just make sure to slice it thinly against the grain. I've even tried chicken thighs when I was out of beef, and honestly, it made a fantastic chicken fajita bowl. For veggies, feel free to swap in other low-carb options like zucchini or mushrooms, though you might miss that classic fajita crunch. I once tried adding some cauliflower florets, and it worked... kinda. The texture was a bit different, but the flavor was still good! If you're out of fresh lime, a splash of apple cider vinegar can give you a bit of that tang, but fresh is always superior for this Low Carb Steak Fajita Bowl.

Low Carb Steak Fajita Bowl Serving Suggestions

This Low Carb Steak Fajita Bowl is a star all on its own, but it loves a good supporting cast! For a complete keto meal, I often serve it over a bed of fluffy cauliflower rice it soaks up all those delicious juices. Sometimes, if I'm feeling extra, I'll whip up a quick side salad with a simple lime vinaigrette. And for drinks? A sugar-free margarita or a crisp, cold sparkling water with a squeeze of lime is just perfect. This dish and a rom-com? Yes please! It's versatile enough for a busy weeknight but feels special enough for a casual get-together. It's truly a flexible Low Carb Steak Fajita Bowl for any mood.

Cultural Backstory of the Fajita Bowl

Fajitas, as many of us know them, have their roots in the Tex-Mex borderlands, specifically with Mexican ranch workers in West Texas in the 1930s. They were given the less desirable cuts of beef, like skirt steak (faja in Spanish means strip or band, hence fajita, a diminutive), as part of their pay. They'd grill it over an open fire and serve it simply with tortillas and salsa. Over time, it evolved into the sizzling restaurant platters we adore. My personal connection came from countless family dinners at Tex-Mex restaurants, always mesmerized by the sizzling platters. Adapting it into a Low Carb Steak Fajita Bowl feels like a natural evolution, honoring those vibrant flavors while fitting my lifestyle. It's a testament to how adaptable and delicious these flavors are, no matter the vessel.

Honestly, every time I make this Low Carb Steak Fajita Bowl, it just brings a little joy to my kitchen. The aroma, the colors, the simple satisfaction of a truly flavorful and healthy meal. It’s more than just a recipe, it’s a little piece of comfort I can create anytime. I hope you love making and eating this as much as I do. Don't forget to share your own kitchen adventures with this dish, I'd love to hear how it turns out for you!

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Low Carb Steak Fajita Bowl: Frequently Asked Questions

→ How do I get my steak perfectly tender in this Low Carb Steak Fajita Bowl?

The key is high heat, a quick sear, and letting it rest! Don't overcrowd the pan, and always slice against the grain. I once rushed the resting and the steak wasn't nearly as juicy.

→ Can I use other vegetables for my Low Carb Steak Fajita Bowl?

Absolutely! Zucchini, mushrooms, or even asparagus can work. I've tried adding some diced avocado to the sauté, but it got a bit mushy, so stick to topping with fresh avocado!

→ What's the best way to marinate the steak for this Low Carb Steak Fajita Bowl?

Aim for at least 30 minutes, but up to 2 hours at room temperature is ideal. Any longer, and I usually pop it in the fridge. Once, I forgot it overnight, and the lime juice started to 'cook' the meat a bit, oops!

→ How long does the Low Carb Steak Fajita Bowl last as leftovers?

Cooked steak and veggies will keep well in an airtight container in the fridge for 3-4 days. Just remember to add fresh toppings when you serve it again for the best experience.

→ Can I make this Low Carb Steak Fajita Bowl spicier?

Totally! Add a pinch of cayenne pepper to the marinade, or toss in some sliced fresh jalapeños or a dash of your favorite hot sauce with the veggies. I'm a huge fan of extra heat!

Tender Low Carb Steak Fajita Bowl: Keto Dinner Recipe

Enjoy a vibrant Low Carb Steak Fajita Bowl. Juicy steak, sizzling peppers, and a zesty lime marinade make this keto dinner recipe a weeknight favorite.

4.3 out of 5
(80 reviews)
Prep Time
15 Minutes
Cook Time
20 Minutes
Total Time
35 Minutes

Category: Dinner Mains

Difficulty: Beginner

Cuisine: Tex-Mex

Yield: 4 Servings

Dietary: Keto, Low Carb, Gluten-Free

Published: February 12, 2026 at 08:26 PM

Last Updated: February 17, 2026 at 03:24 AM

Ingredients

→ Main Players

01 1.5 lbs skirt steak, thinly sliced against the grain
02 2 large bell peppers (red, yellow, orange), thinly sliced
03 1 large red onion, thinly sliced
04 2 tbsp olive oil, divided

→ Zesty Marinade & Spices

05 2 tbsp fresh lime juice
06 4 cloves garlic, minced
07 2 tsp chili powder
08 1 tsp ground cumin
09 1 tsp smoked paprika
10 1/2 tsp dried oregano
11 Salt and freshly ground black pepper to taste

→ Fresh Toppings

12 1 large avocado, sliced or diced
13 1/4 cup fresh cilantro, chopped
14 1/2 cup sour cream or plain Greek yogurt

→ Optional Heat Boosters

15 1-2 jalapeños, thinly sliced (seeds removed for less heat)
16 Hot sauce, for serving

Instructions

Step 01

Alright, first things first! Get that skirt steak nice and patted dry. This is super important for a good sear, trust me. Then, slice it against the grain into thin strips, about 1/4-inch thick. I always try to make them even, but honestly, some pieces end up a little chunkier, and it's fine! Now, in a bowl, toss the steak with olive oil, lime juice, minced garlic, chili powder, cumin, smoked paprika, oregano, salt, and pepper. Give it a good massage with your hands – really get those flavors in there! Let it sit for at least 30 minutes, or even better, an hour on the counter. Don't go more than 2 hours at room temp, though, safety first!

Step 02

While your steak is marinating, chop up your bell peppers and red onion into thin strips. I try to make them about the same size as my steak strips so everything cooks evenly. This is where I sometimes get a little messy, with pepper seeds flying everywhere, but hey, that's real cooking! You want them ready to go so you can move quickly once the pan is hot. Speaking of, make sure your skillet is ready for action – cast iron is my absolute favorite for getting that perfect char. It just holds heat so well.

Step 03

Time for the sizzle! Get a large cast iron skillet or heavy-bottomed pan screaming hot over medium-high heat. Add a touch more olive oil. Once it's shimmering, add half of your steak strips in a single layer. Don't overcrowd the pan, this is where I used to go wrong! Let it sear for 1-2 minutes per side for medium-rare, or longer if you prefer. You're looking for a beautiful, crusty brown. Remove the cooked steak to a plate and loosely tent it with foil. Repeat with the remaining steak. Resting the steak is crucial, don't skip it!

Step 04

In the same skillet (don't clean it, those browned bits are flavor!), add a little more olive oil if needed. Toss in your sliced bell peppers and red onion. Sauté for about 5-7 minutes, stirring occasionally, until they’re tender-crisp and have a nice char around the edges. I love the smell of the peppers softening and sweetening, it fills the whole kitchen! Sometimes I add a pinch more chili powder here if I'm feeling extra spicy. You want them cooked through but still with a bit of bite, not mushy.

Step 05

Once the veggies are done, return the rested steak and any accumulated juices back to the skillet with the peppers and onions. Give it a quick toss to combine everything and let the flavors meld together for another minute or two over low heat. This is where the magic really happens, and everything comes together into a glorious Low Carb Steak Fajita Bowl. I always sneak a little taste here, just to make sure the seasoning is spot on – usually means I add a tiny bit more salt, oops!

Step 06

Now for the best part – assembly! Divide the sizzling steak and veggies among your serving bowls. Top each Low Carb Steak Fajita Bowl generously with slices of fresh avocado, a sprinkle of fresh cilantro, and a dollop of sour cream or Greek yogurt. A final squeeze of fresh lime juice over the top is non-negotiable, it just brightens everything up and makes the flavors pop! The colors are just so vibrant, it almost looks too good to eat. Almost. Enjoy this delicious, satisfying keto dinner recipe!

Notes

  1. My secret for perfectly tender steak? A quick sear on high heat, then let it rest! Honestly, resting is crucial.
  2. This Low Carb Steak Fajita Bowl is amazing for meal prep! Store the cooked steak and veggies separately, they'll last 3-4 days in the fridge.
  3. No skirt steak? Flank steak works wonderfully here, too! I've even tried chicken thighs when I was out of beef, and it was still a hit.
  4. A squeeze of fresh lime right before serving just brightens everything up. Don't skip it!

Tools You'll Need

  • Large cast iron skillet or heavy-bottomed pan
  • large mixing bowl
  • cutting board
  • sharp knife

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Dairy (if using sour cream)
  • Soy (if using certain hot sauces)
  • Sulfites (if using bottled lime juice)

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 450
  • Total Fat: 30g
  • Total Carbohydrate: 10g
  • Protein: 35g

Reviews & Comments

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Tender Low Carb Steak Fajita Bowl: Keto Dinner Recipe

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