
- 1/2 cup butter or margarine
- 1 cup sugar
- 3 eggs
- 1 cup sour cream
- 2 cups flour
- 1 tsp. baking soda
- 1/2 tsp. salt
- 1 tsp. vanilla
- 2 cups fresh blueberries, floured
- 1/2 cup packed brown sugar
- 1 /2 tsp. cinnamon
Cream butter and sugar; beat in eggs one at a time, beating until smooth after each addition. Stir in sour cream. Sift together flour, baking soda and salt; add to liquid mixture and beat until smooth. Add vanilla; fold in blueberries and spread mixture into 9x13x2-inch square pan or tube pan. Sprinkle batter with cinnamon and sugar mixture. Bake in 3500 F oven for 40 to 50 minutes.