hard boiled eggs, sliced
crushed potato chips
bacon, fried and crumbled
Preheat oven to 350 degrees.
Cook onion in butter until tender. Blend in flour and add milk. Cook until thick. Add cheese and stir until melted.
In a 10 x 6 inch baking dish, layer half the eggs, cheese sauce, potato chips and bacon. Repeat layers. Bake 30 minutes.