1 c. sour cream
2 tbsp. all-purpose flour
3/4 c. sugar
1 tsp. vanilla extract
1/4 tsp. salt
1 egg, beaten
2 1/2 c. fresh blueberries
1 unbaked 9 inch pie crust
3 tbsp. all-purpose flour
3 tbsp. butter, softened
3 tbsp. chopped pecans

Combine first 6 ingredients, beat 5 minutes at medium speed or until smooth. Fold in blueberries. Pour filling into pie shell, bake at 400 degrees for 25 minutes.

Combine remaining ingredients, stirring well, sprinkle over top of pie. Bake 10 additional minutes. Chill before serving.