Busy Day Beans - cooking recipe

Ingredients

1 medium to large onion, diced
2 Tbsp. margarine
4 c. canned pork and beans
2 Tbsp. prepared mustard
2 peeled or 1 c. tomatoes
1 tsp. salt
2 Tbsp. brown sugar

Preparation

Saute onions in butter.
Add beans; stir in mustard.
Put beans in casserole in layers with sliced tomatoes, salt and sugar.
Bake 30 minutes in 400\u00b0 oven.