Potato and Tomato Gratin

Ingredients
- Baking potatoes - 1kg, thinly sliced
- Tomatoes - 500g, sliced
- Red onions - 2, thinly sliced
- Cheddar or parmesan cheese - 1 cup, grated
- Basil - a few fresh leaves
- Olive oil
- Water - 50ml
Directions
- Preheat the oven to 180�C. Brush a baking dish with olive oil. Arrange a layer of onions in the base and follow with a layer of potatoes and tomatoes - arranged alternately.
- Drizzle some olive oil over the potatoes and tomatoes and sprinkle with half the cheese.
- Add another layer of onions followed by the remaining potatoes and tomatoes. Add the basil leaves and sprinkle with the remaining cheese.
- Drizzle with olive oil and pour the water over evenly.
- Bake in the oven for 1 hour. Serves 4.
Original source: frog-end-food.blogspot.ca