Wash zucchini. Peel each one leaving some strips of skin. Slice. Peel and cut onions.

Heat a dash of olive oil and fry onions and zucchini few minutes.

Preheat oven to 200°C.

Place crust pastry in your pie plate and riddle with holes.

In a bowl, mix egg, cream. gratted cheese and add a pinch of salt and some pepper.