* As this is an old recipe, it calls for tuna packed in oil. ** Slightly crumble the potato chips. +++++++++++++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++ Preheat oven to 180ºC . Blend soup and milk in 1 litre casserole. Stir in tuna, eggs, and peas. Bake 20 minutes. Top with chips; bake 10 minutes longer.