1 - 1 1/2 lbs. ground chuck or hamburger
1/4 c. chopped onion
1/2 c. sweet milk
1 tsp. salt
1/8 tsp. black pepper
1/2 to 1 c. rolled oats

Mix all together.

SAUCE:

1 c. tomato ketchup
2 tbsp. brown sugar
1 tbsp. vinegar
1 tsp. Worcestershire sauce
1 tbsp. mustard

Stir half of sauce in ground chuck mixture. Put rest on top. Bake in microwave on high 15 minutes or in oven at 350 degrees for 50 minutes.