Southern Baked Beans - cooking recipe

Ingredients

2 (1 lb.) cans pork and beans
2 large onions, diced
1 Tbsp. mustard
1/2 c. ketchup
1/2 c. brown sugar
1 lb. ground beef, cooked and drained (optional)

Preparation

Mix all ingredients in a pan.
Put in oven at 350\u00b0 for 1 hour.