Blueberry Streusel Pie
["1 (8 oz.) sour cream", "3/4 c. sugar", "1 egg", "2 Tbsp. flour", "1 tsp. vanilla", "1/3 tsp. salt", "2 1/2 c. blueberries", "1 unbaked pie shell", "3 Tbsp. flour", "2 Tbsp. sugar", "3 Tbsp. margarine", "3 Tbsp. chopped pecans"]
["Combine first 6 ingredients in mixing bowl.", "Beat at medium speed 5 minutes until smooth.", "Fold in blueberries.", "Spoon into pie shell.", "Bake at 400` for 25 minutes.", "Combine 3 tablespoons flour and 2 tablespoons sugar.", "Cut in margarine until mixture resembles coarse meal.", "Stir in pecans.", "Sprinkle this mixture over pie.", "Bake another 15 minutes."]
["sour cream", "sugar", "egg", "flour", "vanilla", "salt", "blueberries", "shell", "flour", "sugar", "margarine", "pecans"]