Easy Taco Casserole Quick and easy taco entree for a last minute meal. Top with chopped tomato, onion, and lettuce if desired. By charmed71 Recipe Summary Prep:15 minsCook:35 minsTotal:50 minsServings:6Original recipe yields 6 servings Ingredient Checklist 1 pound ground beef 1 cup salsa ½ cup chopped onion ½ cup mayonnaise 2 tablespoons chili powder 1 teaspoon ground cumin 2 cups crushed tortilla chips, divided 4 ounces shredded Cheddar cheese, divided 4 ounces shredded Monterey Jack chee...