Step 1

Saute meat, beans, onions, taco seasoning, sauce, and corn on medium-high heat until meat is browned (or soy crumbles are thoroughly cooked).

Step 2

Spoon half your meat mixture into your casserole dish in an even layer, top with a thin layer of sour cream, then sprinkle with some cheese.

Step 3

Repeat. Cover with cheese.

Step 4

Bake at 350 for 15 minutes, then serve topped with diced tomatoes and green onions.