Take warm water, warm milk, sugar and instant yeast in a deep bowl and whisk. Wait 8 minutes.

Then add sunflower oil, mahaleb, egg whites, mineral water, salt and whisk again.

Sieve all the flour and gradually add it to the liquid mixture and knead. Get a soft dough that does not stick to the hand and leave it for 1.5-2 hours by closing the lid.

Oiling your hands, break off pieces of orange-sized dough and form large round shapes and place them on the baking tray.

Brush with egg yolk, sprinkle with sesame seeds and black cumin.

Bake in a preheated oven at 180-200 degrees for 30-40 minutes.

Add all the ingredients for the hamburger patties into a bowl and knead. Take large pieces of minced meat, shape into balls and flatten by hand or with a rolling pin. rest in the fridge for 30 minutes. Cook in an oil-free skillet or in an airfryer.

For the sauce, mix the pickled cucumber cut into small cubes, mayonnaise, ketchup, mustard, vinegar, salt, pepper and let it rest in the fridge.

For the caramelized onions, cut the onions into rings and cook them in a heated pan with olive oil. Add the other ingredients and cook, stirring constantly.