Sweet Potato, Cheese And Leek Pie - cooking recipe

Ingredients

2 tablespoons olive oil
2 garlic cloves, finely chopped
7 ounces creme fraiche
3 lbs sweet potatoes, peeled and thinly sliced
1 teaspoon butter, for greasing dish
2 leeks, finely sliced
2 3/4 ounces gruyere cheese, grated
1 ounce whole wheat breadcrumbs, fresh
black pepper (to taste)

Preparation

Preheat oven to 375\u00b0F
Mix the oil, garlic and creme fraiche together in a large bowl.
Add the sweet potato slices and toss until coated.
Lightly grease a gratin dish.
Layer in sweet potato mixture and leeks ending with potato on the top.
Top with cheese and breadcrumbs or just the cheese.
Cover with foil and bake for 45 minutes to 1 hour, removing foil for the last 5 minutes of the cooking time.