Use can also use strawberries

3 Graham Cracker Crust )ready-maid)
4 pkg. 8 oz. cream cheese, softened
1 tsp vanilla
1 cup sour cream
4 eggs
2 cups fresh or thawed frozen blueberries

3 Graham Cracker Crust )ready-maid) 4 pkg. 8 oz. cream cheese, softened 1 tsp vanilla 1 cup sour cream 4 eggs 2 cup s fresh or thawed frozen blueberries

Beat cream cheese, sugar and vanilla in large bowl with electric mixer until well blended. Add sour cream, mix well. Add eggs, 1 at a time, blending on med. speed after each addition until well blended. Pour into crust divided into 3 crust, Puree the blueberries in a blender. Gently drop spoonfuls of the blueberries over batter; cut though batter several times with knife for a marble effect.
Bake at 325 degrees for 45 minutes or until center is almost set; cool, Cover and refrigerate at least 4 hours before serving.