GOD, HOW DELICIOUS! I DON'T COOK PIES NOW! I cook yummy in 10 minutes

Ingredients: 250 ml water Milk 250 ml Salt 1 tsp Flour 800 gr Baking powder 1 tsp Onion 3 pieces Meat 400 gr Salt and spices to taste Melted butter 150 gr Egg yolk + milk 1 tbsp.l Bake for 35-40 minutes at 180 degrees