Peel and chop the onion. Cut the Gouda into cubes as well. Wash marjoram and parsley, dab dry and chop. Separate the egg. Knead the ground fat, egg white, onion, herbs, except for 1 teaspoon, tomato paste and cayenne pepper.
Finally mix in the cheese. Mix curd, 6 tablespoons of milk, oil and salt. Mix flour and baking powder, stir half into the quark mixture. Knead in the remaining flour. Roll out the dough on a floured work surface to a rectangle of 50 x 27 cm.
Spread the meat mass on top and roll up from the long side. Cut the roll with a sharp knife into 10 approx. 5 cm thick rolls. Place snails with the cut surfaces facing upwards in a greased springform pan (26 cm Ø) and press flat by hand.
Mix the egg yolk and the remaining milk and brush the edges of the dough with it. Bake in the preheated oven (electric oven: 200°C/ gas: level 3) for 35-40 minutes. Cover if necessary at the end. Serve the rosette cake sprinkled with remaining herbs.
Results in about 12 pieces.