Simple But Delicious Subs - cooking recipe

Ingredients

2 lb. lean hamburger meat
1 c. barbecue sauce (we like Kraft)
1 small onion, minced (optional)
1 (6 pack) sub rolls
1 (2 c.) pkg. Mozzarella cheese

Preparation

Brown hamburger meat and chopped onion.
Pour off excess grease.
Return to heat and add 1 cup barbecue sauce.
Allow this to mix and warm thoroughly.