2 (10 oz.) boxes frozen baby lima beans
1/2 med. onion, chopped
1 tbsp. butter
1/2 c. brown sugar
1 c. sour cream
2 tbsp. catsup

Cook beans until tender, drain. Saute onion in butter. Combine all ingredients and put in greased casserole. Bake at 350 degrees for 20 minutes or until bubbly hot.