1/2 c. softened butter
1 c. sugar
3 eggs
1 c. sour cream
2 c. flour
1 tsp. baking soda
1/2 tsp. vanilla
2 c. blueberries
1/2 c. brown sugar
1/2 c. chopped nuts
1/2 tsp. cinnamon

In bowl, cream butter; beat in sugar. Beat in eggs, 1 at a time until smooth after each addition. Stir in sour cream. Stir in flour, soda and salt.