Cut butter into pieces. Knead flour, 1 egg, 1 pinch of salt, butter and 1 1/2 tablespoon of water with the dough hooks of the hand mixer. Then work into a smooth dough with your hands. Wrap in foil and chill for about 30 minutes. Wash and peel the white asparagus and cut off the woody ends.
Wash the green asparagus, cut off the woody ends. Boil white asparagus in salted water with 1 pinch of sugar, simmer for about 3 minutes. Add green asparagus, bring to the boil. Take out the asparagus and quench. Mix 6 eggs and milk and season with salt, pepper and nutmeg. Grease a tart tin (28 cm Ø) and line the bottom with baking paper. Roll out short pastry round (approx. 32 cm Ø) and line the tin with it. Fold the protruding edge inwards and press firmly. Spread the asparagus and ham on the base, pour in the egg-milk.
Grease a tart tin (28 cm Ø) and line the bottom with baking paper. Roll out short pastry round (approx. 32 cm Ø) and line the tin with it. Fold the protruding edge inwards and press firmly. Spread the asparagus and ham on the base, pour in the egg-milk. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) on the 2nd rack from below for 45-50 minutes. Remove the quiche and decorate with marjoram leaves