Bologna Bake

Ingredients

• 3/4 pound big Bologna, diced
• 1 cup celery slices
• 1/4 cup sliced stuffed olives
• 4 hard-cooked eggs, diced
• 1/4 cup chopped onion
• 1 tablespoon prepared mustard
• dash pepper
• 3/4 cup mayonnaise
• 1 cup crushed potato chips