57 Sweet Onion Tart

Main ingredients for the filling

• 1 kg (2¼ lb) onions, peeled and very thinly sliced
• 200 g (

1. Sweat the diced carrots ‘à sec’ in the heavy saucepan so that they exude their juice. This operation is easier with a teaspoon of olive oil in the pan. Stir constantly with a spatula to prevent the carrots from sticking. Cook them for five minutes, then add the sliced onions seasoned with salt and pepper. Cover the pan and leave it over a moderate heat for fifteen minute