4 medium bell peppers |
1/2 lb ground beef |
1/4 cup onion (finely chopped) |
2 cups cooked rice |
1 (6 ounce) can tomato paste |
2 tablespoons ketchup |
1 tablespoon worcestershire sauce |
1 tablespoon spicy brown mustard |
1/2 teaspoon garlic powder |
1/4 teaspoon pepper |
2 cups shredded cheddar cheese |
1 cup beef broth or 1 cup vegetable broth |