Baked Beans(For 75 People) - cooking recipe

Ingredients

3 gal. cans pork and beans
2 Tbsp. dry mustard
15 oz. ketchup
1/2 lb. brown sugar
onion, peeled and diced (optional)*

Preparation

Pour all ingredients into a large container or electric oven and mix well.
Heat at 375\u00b0 until bubbly on sides.
Then reduce heat to 250\u00b0 and cook 1 1/2 hours more.
Stir frequently.