Sour Cream Blueberry Cake

1 1/2 c Flour

1/2 c White sugar

1 1/2 ts Baking powder

1/2 c Butter

1 Egg

1 ts Vanilla

4 c Blueberries

2 c Sour cream

1/2 c White sugar

2 Egg yolks

1 ts Vanilla

Blend first four ingredients, then add egg and vanilla. Pat in a 10" springform pan. Place blueberries on top of cake. Mix remaining ingredients and pour over berries. Bake at 375 F approxiamtely 60 to 70 minutes, or until edges are lightly brown. Serve with whipped

cream.