- Château : Gas or electric oven
- Cornufé : Electric oven
Place the shortcrust pastry in a tart mould and place in the fridge for 1 hour
Peel and cut the onions into 6 wedges
Place them in a dish, sprinkle with a pinch of sugar, salt and lightly sprinkle with oil
Bake in the oven at 180°C, lower to 160°C when the tips turn brown for 20 to 30 minutes
Leave to cool, taste and adjust the salt if necessary
Place the onions in the pie, add the thyme and bake at 165°C for about 40 minutes
Cut and eat!