8 cups potatoes, cooked peeled and diced
1 cup mayonaise
1 t. salt
1/2 t. pepper
1 lb. mild cheddar cheese cubed (I use 3/4 lb.)
1/2 cup chopped green onion (green are best)

Toss ingredients and place in 9x13 pan. Bake 325 for 1 hour. Can be made ahead and frozen.
Garnish with 4-6 slices crumbled cooked bacon and 1/2 cup black or green olives.