Potatoes Gratin

Preheat the oven to 190C/Gas 5

In a large bowl combine all the ingredients, tossing to coat

Season with salt and pepper

Put the potato mixture into a casserole dish, flatten it out with a spatula, and bake for 40 minutes, until the potatoes are tender and the gratin is bubbly

Let stand for 10 minutes before serving

Garnish with fresh chives.