Ham Pie with Sour Milk

Zutaten

• 500 g of bark,
• 400 ml of sour milk,
• 200 ml of yogurt,
• 100 g grated cheese,
• 200 ml oil
• 100 g ham (grated or cut into small pieces)
• 5 eggs
• 15 g baking powder,
• a pinch of salt.