Hoosier Hard-Boiled Egg Casserole

8 hard-boiled eggs, coarsely chopped
2 cups chopped celery
1/2 cup chopped walnuts
2 scallions, chopped (white plus green parts)
1/2 green pepper, diced
1 cup mayonnaise or Miracle Whip (light is OK)
salt (optional)
pepper
1 cup grated sharp cheddar cheese
1 (1 ounce) bag potato chips, crushed

Toss together the first 8 ingredients (eggs through salt and pepper).
Top with grated cheese and sprinkle with crushed potato chips.
Bake at 350F 30 minutes.