Jam pie - Legendary Recipes %

Ingredients

• 300 g of jam (blackcurrant, bilberry, cherry, blackberry),
• 250 g of flour,
• 150 g of potato starch,
• 200 g of margarine,
• 1 egg,
• 150 g of sugar,
• 10 g of vanilla sugar,
• 1 h soda spoon,
• 1 h vinegar spoon,
• 1 tablespoon of vegetable oil,
• salt pinch.