• 1 c plain flour
• 1 tsp baking powder
• 1/2 c caster sugar
• 125 g softened butter
• 1 egg lightly beaten
• 1 tsp vanilla
• 2 cup blueberries

Preheat the oven to 160C. Line a 17x27cm slice tine with baking paper. Cream the butter and sugar, add egg and then mix in the dry ingredients and vanilla. Press the mixture into the prepared tin and scatter the surface with berries.

Topping -

• 2 cups sour cream
• 2 eggs
• 1/2 c caster sugar
• 1 tsp vanilla

Mix together until smooth and pour over the berries. Bake for approx 55 mins