taco bake recipe

- 1 lb (450g) ground beef or turkey - 1 packet taco seasoning - 1 can (14 oz) black beans, drained and rinsed - 1 can (14 oz) corn, drained - 1 can (14 oz) diced tomatoes, drained - 1 cup salsa - 2 cups shredded cheddar cheese - 6-8 small flour or corn tortillas - Optional toppings: sour cream, green onions, cilantro, jalapeños