500 g of small onions
2 tablespoons cold butter
1/4 cup grated Parmesan cheese
4 sprigs of thyme
3 sprigs of parsley
10 cloves of French shallots
1 tablespoon grated lemon zest
1/3 cup unsalted butter, at room temperature
1 package of laminated puff pastry
Salt and black pepper to taste
Accessory
20 cm diameter
500 g of small onions
2 tablespoons cold butter
1/4 cup grated Parmesan cheese
4 sprigs of thyme
3 sprigs of parsley
10 cloves of French shallots
1 tablespoon grated lemon zest
1/3 cup unsalted butter, at room temperature
1 package of laminated puff pastry
Salt and black pepper to taste
Accessory
20 cm diameter
1
Preheat the oven to 180°C
Peel the onions and remove their ends
2
In a saucepan, cook over low heat two tablespoons of cold butter and two tablespoons of grated Parmesan cheese in three tablespoons of water until the onion is translucent and soft
Season with salt
3
Chop the herbs in a bowl, add the lemon zest, and 1/3 cup of unsalted butter at room temperature
Sprinkle the remaining Parmesan cheese on the bottom of a tart pan and arrange the onions one beside the other
4
Roll out the puff pastry
Spread the herb mixture with the butter over the onions and cover with the puff pastry
Press the edges to seal
Bake for 25 minutes or until golden brown
Remove from the oven and let cool for ten minutes
Serve on a plate.