Sautee leeks in a frying pan for a few minutes, add mushrooms and sautee until slightly golden.

In a separate bowl mix together milk, flour, salt and pepper, olive oil and eggs.

Add above mixture ti the sauteed leeks and mushrooms.

Pour mixture into a slightly greased pie/tart dish and bake until golden brown.

You may choose to sprinkle with fresh herbs like parsley , thyme or any other of your choice before serving.