Depression Lima Bean Casserole

Ingredients

• 2 1/2 c. (1 lb.) large, dry lima beans, soaked overnight in cold water and drained
• 2 tsp. salt
• 2 Tbsp. butter
• 1 medium onion, chopped (1/2 c.)
• 1/2 green bell pepper, chopped
• 1/4 c. catsup
• 1/4 c. molasses
• 1/2 tsp. liquid red pepper seasoning
• 1 Tbsp. vinegar
• 1 tsp. dry mustard
• 2 c. shredded Cheddar cheese, divided