Pâte à tarte

2 cups of…

• 1 cup flour
• 1/2 teaspoon baking powder
• 2 tablespoons sugar
• 75 g margarine
• 1 yolk
• 2 tablespoons sour cream

1. Mix, not too much.
2. Pad it into the mold.
3. Precook 10 minutes.