Preparation of the filling: Sauté the onion in butter for 1 minute over medium heat, add the garlic and continue sautéing for 1 minute. Add the mushrooms and shrimp, and continue cooking for 2 minutes. Add the parsley and season with salt and pepper.
Armed: Portion the dough, put it through the machine, fill, fold and cut. Shine the dough with beaten egg and bake in the oven at 150°C for 15 minutes.