1/2 c. butter
1 c. sugar
2 eggs
1 tsp. baking soda
2 c. fresh or frozen blueberries
1/2 tsp. salt
1 tsp. vanilla
2 c. flour
2 tbsp. sour milk

TOPPING:

2 tbsp. butter
2 tbsp. flour
2 tbsp. sugar
1 tsp. cinnamon

Cream butter and sugar. Add eggs. Dissolve soda in milk. Combine remaining ingredients and fold in blueberries. Put in greased tin. Top with a mixture of butter, sugar, flour and cinnamon. Bake at 350 degrees for 1 hour.