Western desserts - Mixed Berry Tart with Vanilla Sauce

Mixed Berry Pie with Vanilla Sauce

Ingredients:

½ cup sugar

½ cup white flour

1 cup oatmeal

1 teaspoon vanilla

1 teaspoon baking powder

⅓ cup butter (125 grams)

2 tablespoons milk

3 cups mixed berries

⅓ sugar (for the berries)

Lemon zest