Sour Cream Blueberry Pie
["1 c. sour cream", "2 Tbsp. flour", "3/4 c. sugar", "1 tsp. vanilla", "1/4 tsp. salt", "1 egg, beaten", "2 1/2 c. fresh blueberries", "1 unbaked 9-inch pie shell"]
["Combine first 6 ingredients; beat 5 minutes with electric mixer or until smooth.", "Fold in blueberries.", "Pour filling in pastry shell.", "Bake at 400\u00b0 for 25 minutes.", "Mix 3 tablespoons flour, 3 tablespoons butter (softened) and 3 tablespoons chopped pecans or walnuts, stirring well.", "Sprinkle on top of pie and bake 10 more minutes.", "When pie has baked 5 minutes, spread topping with fork evenly over entire pie.", "Chill before serving."]
["sour cream", "flour", "sugar", "vanilla", "salt", "egg", "fresh blueberries", "shell"]