01 -
Bring a large pot of water to a boil. Add egg noodles and cook according to package instructions until al dente. Drain and set aside.
02 -
In a large skillet over medium heat, add ground beef. Break apart with a wooden spoon and cook until browned and no pink remains, about 6–8 minutes. Drain excess fat and transfer beef to a plate; set aside.
03 -
In the same skillet, melt butter over medium heat. Add flour and whisk continuously for 2 minutes until a pale roux forms.
04 -
Gradually pour in beef broth while whisking constantly to prevent lumps. Continue whisking until sauce thickens, about 3–4 minutes.
05 -
Slowly add milk to the pan, whisking over medium heat. Cook until the sauce is smooth and thickened, about 5–7 minutes.
06 -
Stir in garlic powder, onion powder, black pepper, and salt. Mix well to distribute seasonings evenly throughout the sauce.
07 -
Reduce heat to low. Add cooked egg noodles and browned ground beef to the skillet, stirring until fully combined and heated through.
08 -
Gently stir in sour cream until fully incorporated, creating a creamy, cohesive sauce.
09 -
Serve hot, accompanied by steamed vegetables or crusty bread if desired.