From Katie Workman's Mom 100 Cookbook a recipe for an easy to throw together tortilla casserole. This is one of those recipes where you can substitute things you have or like for things you don't have or don't like. The basic recipe is vegetarian but you can kick it up with left over taco meat, or any cooked meat you have left over.
1 1/2 teaspoon chili powder 1 teaspoon minced garlic 1 can (14 ounce) chopped tomatoes, drained, with ? cup juice reserved 1/4 cup tomato paste 2 cans (15.5 ounce each) white, black or kidney beans (or a mixture of any two), rinsed and drained Kosher or coarse salt and freshly ground black pepper 1 can (15 ounce) sweet corn kernels, drained, or 11/2 cup frozen corn, thawed 3 cup coarsely chopped spinach 4 medium-size (8-inch) flour tortillas 2 cup (8 ounce) shredded Monterey Jack or cheddar cheese Chopped fresh cilantro (optional), for garnish Sour cream (optional), for serving Salsa (optional), for serving