Make a shortcrust pastry from flour, sugar, salt, butter and an egg. Then cool this in the refrigerator for 1 hour.
Roll out the dough, place in a greased quiche dish and top with the raw asparagus cut into 1 cm long pieces.
Whisk the three eggs with cream and milk, season with thyme and garlic, salt and pepper to taste. Pour this egg mixture over the asparagus and sprinkle with the freshly grated parmesan.
Bake in a preheated oven at 170 ° C for about 40 minutes.