Blueberry Sour Cream Cake
["1/2 c. (1 stick) butter or margarine", "1 c. sugar", "3 eggs", "1 c. sour cream", "2 c. sifted all-purpose flour", "1 tsp. baking soda", "1/2 tsp. salt", "1 tsp. vanilla", "2 c. fresh blueberries, rinsed, drained and floured", "1/2 c. firm brown sugar", "1/2 c. chopped nuts", "1/2 tsp. cinnamon"]
["In a bowl, cream butter until light and fluffy.", "Beat in sugar.", "Beat in eggs, one at a time, beating until smooth after each addition.", "Stir in sour cream.", "Stir in flour, baking soda, salt and vanilla.", "Beat until smooth and well blended.", "Fold in blueberries.", "Spread half of the batter into a greased 9 x 13 x 2-inch pan."]
["butter", "sugar", "eggs", "sour cream", "flour", "baking soda", "salt", "vanilla", "fresh blueberries", "brown sugar", "nuts", "cinnamon"]