I take 200g of minced meat. My grandmother speaks every 3 days. Few people know this secret

I take 200g of minced meat. My grandmother speaks every 3 days. Few people know this secret. Ingredients Flour 400gr Hot water 100gr Cold sour cream 100g Egg white Vegetable oil 70g Sugar 1 tbsp Salt 1 tsp Yeast 0. 5 tsp Filling Chicken mince 200g Cheese Mozzarella Salt Paprika Bake 180190 C 3545 minutes