Ingredients

1 Pound ground beef
1/2 Cup chopped onion
1 Cup water
2/3 Cup catsup
2 Tablespoon prepared mustard
1 Teaspoon salt
1/4 Teaspoon black pepper
2 Cup cooked brown rice
1 Cup shredded Cheddar cheese

Instructions

Cook ground beef and onion together in microwave; drain. Add water, ketchup, mustard, salt, pepper and rice to ground beef-onion mixture. Mix well and heat. Top with cheese. Heat in microwave until cheese is melted.