1/2 c. butter
1 c. sugar
2 eggs
1 tsp. vanilla
1 tsp. grated lemon peel
2 c. flour
2 1/2 tsp. baking powder
1/4 tsp. salt
1/2 c. milk
1 pt. canned blueberries, drained
1/2 c. sugar
1/2 c. flour
1/2 tsp. cinnamon
1/4 c. butter

Cream 1/2 cup butter and 1 cup sugar; add eggs, vanilla and lemon peel; beat until light and fluffy. Stir together 2 cups flour, baking powder and salt. Add to creamed mixture alternately with milk. Spread in greased pan. Put blueberries evenly over batter. Mix 1/2 cup sugar, 1/2 cup flour, cinnamon and 1/4 cup butter until crumbly. Sprinkle on top. Bake at 350 degrees for 40 minutes.