1 1/2 lb. hamburger
6 oz. can tomato paste
2 oz. water
1 egg
1/2 c. bread crumbs
1 sm. onion, diced
1/2 c. packed brown sugar
1 tbsp. mustard, prepared

Mix mustard, brown sugar, tomato paste and water; set aside. Mix hamburger, egg, onion, bread crumbs and 1/2 the sauce mix together.

If you don't have a microwave tube pan, put mixture in a square baking dish and leave hole about the size of your fist in the middle. Spread sauce on meatloaf and microwave on high 20 minutes. Let set in microwave for 5 minutes before serving.