2 c. sifted flour
2 tsp. baking powder
3/4 tsp. salt
1/4 c. softened butter
3/4 c. sugar
1 egg
2 tsp. lemon juice
1 tsp. grated lemon peel
1/2 c. milk
1-2 c. blueberries, fresh, frozen, or canned

TOPPING:

1/3 c. sugar
1/3 c. sifted flour
1/4 tsp. salt
1/4 tsp. cinnamon
3 tbsp. butter

Sift together first 3 batter ingredients. Cream butter, sugar, egg, lemon juice, and lemon peel until light. Add dry ingredients and milk alternately, half at a time, stirring until dry ingredients are moistened. Fold in thawed or drained (if canned) blueberries. Turn into a greased 9 x 9 x 2 inch baking pan.

To prepare topping, combine sugar, salt, and cinnamon. Cut butter into dry ingredients. sprinkle evenly over batter. Bake at 375 degrees for 45 minutes.