1lb lean ground beef
¼ teaspoon salt
¼ teaspoon pepper
2 tablespoons worcestershire sauce
1 tablespoons ketchup
1 tablespoon mustard (I used a spicy horseradish mustard)
1 teaspoon onion powder
1 teaspoon granulated garlic
2 tablespoons grated parmesan cheese
1.5 cups shredded cheddar cheese
1.5 cups cooked brown rice
1 cup beef broth or stock, divided
¼ cup tomato sauce (freeze the rest)
4 bell peppers