1 c. sour cream 2 T. all purpose flour 3/4 c. sugar 1 tsp. vanilla extract 1 egg beaten 2 1/2 c. fresh blueberries 1 pastry shell 3 T. all purpose flour 3 T. butter or margarine softened 3 T. finely chopped pecans
Combine first 6 ingredients, beat 5 minutes at medium speed (electric mixer) until smooth. Fold in blueberries into pastry shell & bake at 400˚ for 25 min. Combine remaining ingredients. Stir well (crumbly like) and sprinkle over top of pie. Bake 10 additional minutes. Chill before serving.