- Preheat the oven to 350°F (175°C).
- Cook the gluten-free egg noodles according to package instructions; drain and set aside.
- In a large skillet, brown the ground beef over medium heat until fully cooked; drain excess fat.
- Add the cream of mushroom soup, sour cream, garlic powder, onion powder, and mixed vegetables to the skillet; stir to combine.
- Fold in the cooked noodles and half of the cheddar cheese; mix well.
- Transfer the mixture to a greased baking dish and top with the remaining cheddar cheese.
- Bake in the preheated oven for 25-30 minutes, or until the cheese is bubbly and golden.
- Let cool for a few minutes before serving.
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