Mexican Casserole -

2 lbs ground beef
1 15 oz can black beans, drained and rinsed
2 14.5 oz diced tomatoes with chiles
1 cup sour cream
2 cups cheddar cheese, grated
corn tortillas (can also use tortilla chips, it's a good way to get rid of end-of-bag crushed chips!)
2 tsp kosher salt
1 tsp ground pepper

Preheat oven to 350 degrees.
Brown beef in a large skillet. Drain grease.
Add beans, tomatoes, sour cream, salt and pepper to skillet. Mix well and heat thoroughly.
Grease a 9 x 13 inch baking dish and line with tortillas. (I split each tortilla in half and fit the straight edge against the edges of pan).
Layer on top of tortillas, half of the meat mixture, another row of tortillas, then remainder of meat mixture. Top with grated cheese.
Bake uncovered at 350 degrees for 30 minutes, til bubbling.

Serve with your favorite mexican toppings: shredded lettuce, sliced avocado, sour cream, hot sauce, sliced jalapenos and more tortilla chips!