Blueberry Cream Pie
["1 c. sour cream", "2 Tbsp. all-purpose flour", "3/4 c. sugar", "1 tsp. vanilla", "1/4 tsp. salt", "1 egg, beaten", "2 1/2 c. fresh blueberries", "1 unbaked pie shell", "3 Tbsp. all-purpose flour", "1 1/2 Tbsp. butter", "3 Tbsp. pecans or walnuts, chopped"]
["Combine sour cream, 2 tablespoons flour, sugar, vanilla, salt and egg.", "Beat 5 minutes at medium speed of electric mixer; fold in blueberries.", "Pour into pie shell.", "Bake at 375\u00b0 for 25 minutes.", "Remove from oven.", "Combine remaining flour, butter and nuts.", "Sprinkle over top of pie and bake an additional 10 minutes. Chill before serving."]
["sour cream", "flour", "sugar", "vanilla", "salt", "egg", "fresh blueberries", "shell", "flour", "butter", "pecans"]