01 -
Preheat your oven to 375°F and grab a 9x13 baking dish. Get all your ingredients lined up because once you start the sauce, things move pretty quickly.
02 -
In a large skillet over medium heat, melt butter until foamy. Add diced onion and cook 3-4 minutes until soft. Sprinkle in flour and stir constantly for 1 minute until nutty smelling.
03 -
Slowly pour in chicken broth while whisking constantly. Add cream, thyme, garlic powder, salt, and pepper. Simmer 2-3 minutes until it coats the back of a spoon.
04 -
Remove from heat and fold in shredded chicken and frozen vegetables. Everything should be well-coated in the creamy sauce.
05 -
Lightly grease 9x13 dish and pour in chicken mixture. Separate biscuits and arrange on top, pulling each apart slightly. Brush with melted butter.
06 -
Bake 25-30 minutes until biscuits are golden brown and filling bubbles around edges. Let rest 5-10 minutes before serving so sauce can set up.