Pineapple Baked Beans

2 cans (16 oz each) baked beans
1/4 c packed brown sugar
2 Tbsp ketchup
2 tsp prepared mustard
1 can (20 oz) pineapple tidbits, drained

Mix together first 4 ingredients in crock pot and cook on low 4-5 hrs. Stir in pineapple. Cook on low another hr or til pineapple is warm. Makes 10 servings.