1 onion, diced
1 green pepper, chopped
2 tbsp. butter
2 tbsp. flour
Cooked, diced potatoes
1 c. milk
1/4 c. butter
Cheddar cheese
Diced ham

Saute onion and green pepper in butter until tender. Sprinkle flour and stir. Add milk. Bring to a boil. Remove from heat. Add mayonnaise then the cheese. Finally add the potatoes and ham. Cook at 350 degrees for 25 minutes.