Beef with greens

1 lb lean ground beef 1/4 cup chopped onion 1 minced garlic clove 1 tablespoon butter 1 (16 ounce) can pinto beans , rinsed and drained 1 (16 ounce) can white[...]

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[...]