Mix the flour with salt and bread roll baking agent. Dissolve the yeast in lukewarm water, add a dash of oil to the flour and work everything into a smooth yeast dough. The dough must not stick. Cover and let rise for about 6 hours.
Season the sour cream with garlic, dill, pepper and salt and stir.
Roll out the pizza dough thinly, brush with the sour cream, spread the thinly sliced onion rings (wet with a little oil beforehand so that a thin film of oil completely covers the onions), spread the cheese grated on top and finally the pieces of salmon. Possibly season with pepper.
Bake in the preheated oven (240 ° C or higher) on pizza setting or hot air for about 7 minutes.
Or you can bake the pizza in the preheated Alfredo pizza oven on setting 2.5-3 in about 5 minutes.