Prep the skillet: Preheat oven to 400°F (205°C). Lightly coat a large oven-safe skillet with cooking spray.

Cook vegetables: Heat canola oil over medium heat. Add carrots, onion, and celery. Cook for 5–6 minutes, stirring, until slightly softened.

Brown the beef: Add ground beef and cook 6–8 minutes, breaking it apart, until browned and no pink remains. Drain excess grease if needed.

Make the sauce: Stir in butter until melted. Sprinkle flour evenly over the mixture and cook for 1 minute. Slowly pour in beef broth while stirring. Add garlic salt, onion powder, garlic powder, and pepper. Simmer 3–4 minutes until the sauce thickens and looks glossy.

Mix biscuits: While the sauce simmers, stir baking mix and buttermilk together just until combined—don’t overmix .

Assemble: Drop biscuit dough by spoonfuls evenly over the beef mixture.

Bake: Transfer skillet to oven and bake 15–18 minutes, until biscuits are puffed and golden.

Serve: Let rest 5 minutes before serving. Enjoy that creamy, cozy goodness .