2 (16 oz.) cans pork and beans
1/2 c. chopped onion
1/2 c. catsup
1/4 c. firmly packed brown sugar
1/2 tsp. dry mustard
4 frankfurters, cut in 3/8 inch slices

Combine first 5 ingredients; spoon into a lightly greased, shallow 2-quart casserole. Cover with heavy-duty plastic wrap; fold back a small edge of wrap to allow steam to escape. Microwave at high for 8 to 9 minutes, stirring once. Add frankfurters. Microwave at high 8 to 9 minutes, stirring once. Yield: 6 servings.