Courgette, feta and walnut tart

Courgettes, zucchini for the Américains, are so versatile, easy to prepare and I think a vegetable eaten and enjoyed by almost everyone. It is a safe food to start introducing vegetables to babies and children generally prefer courgettes to peas. What's not to like about courgettes. So, cheers to courgettes! Pincée de fleur de sel:…