Kitchen Family Mexican Casserole

Why I Love This Recipe
Growing up My sister and I would make this all the time. Both parents worked, so when they came home we always had diner on the table to help our mom out.
Ingredients You'll Need
2 lbs ground beef
1 large onion diced
1 16 oz can black beans rinsed and drained
1 can cream mushroom soup
1 can Rotel tomatoes juice and all
1 teaspoon cumin
1 pkg. Doritos (Crushed but not crumbs)
2 1/2 cups cheddar cheese
Sour cream
black olives, sliced
lettuce, shredded
tomatoes, chopped
Directions
Brown ground beef and season to taste with salt and pepper.
Add onion saute until tender.
Add mushroom soup , Rotel, cumin and beans.
Heat through.
Layer in large casserole dish starting with Doritos, a layer of meat mixture, and then the cheese.
Repeat in that order until all is gone ending up with meat mixture on top saving about 3/4 cup cheese.
Bake in 375 degree oven until bubbly about 20 minutes.
Top with remaining cheese and return to oven until melted.
Serve with sour cream, black olives, lettuce and tomatoes.