2 – 3 large cooked potatoes, sliced
1/2 chopped onion, 3 rashes bacon chopped (cook together)
2 tomatoes, cube cheese grated.
Salt & pepper.
In a shallow, buttered casserole dish, put a layer of sliced potatoes on the bottom, then alternate with the potato, bacon and onion.
Put a layer of sliced tomato over the top and then a layer of grated cheese.
Bake in oven at 230C for 15 minutes until hot through and cheese is bubbly and melted.