Ingredients 1/2 cup (1 stick) butter, softened 3/4 cup granulated sugar 2 eggs 1 teaspoon Pure Vanilla Extract, 4 Oz. 1 cup all-purpose flour 1 teaspoon baking powder 1/4 teaspoon baking soda 1/4 teaspoon salt 1/2 cup sour cream 1 cup chopped pecans 1/2 cup firmly packed brown sugar 1 teaspoon ground cinnamon 1 cup fresh or frozen blueberries Tools Perfect Results Square Cake Pan, 8 Inch Instructions Click to mark complete - Preheat oven to 325° F. Spray 8-inch square pan with vegetable pan spray. - In large bowl, cream butter and sugar in large bowl with electric mixer until light and fluffy. Add eggs and vanilla; beat well. Combine flour, baking powder, baking soda and salt. Add alternately with sour cream to butter mixture. Mix until smooth. In a small bowl, combine nuts, brown sugar and cinnamon. - Spread half the batter into prepared pan. Mix blueberries with 3/4 cup nut mixture; sprinkle over batter. Top with remaining batter. Sprinkle with remaining nut mixture. Bake 35-40 minutes or until cake tester inserted in middle comes out clean.