Beef with tortillas

1/2 lb sharp cheddar cheese 1/2 lb mild cheddar cheese (use block cheese from the deli, not slices or shredded) or 1/2 lb American cheese (use block cheese[...]

1 lb ground beef 1 (1 1/4 ounce) packet taco seasoning 1 (10 ounce) can mild diced tomatoes and green chilies 1 (16 ounce) can refried beans 10 (6 inch) flour[...]

1 lb lean ground beef 1 medium onion , thinly sliced 1 medium green pepper , cut into thin strips 1 tablespoon chili powder 1 tablespoon Worcestershire sauce[...]

1/2 pound 95% lean beef 1 chili pepper, deseeded and chopped 2 jalapeño peppers, deseeded and chopped 1 red bell pepper , chopped 2 cups diced tomato 1/4[...]