Blueberry Buckle
["1 c. flour", "1 1/2 tsp. baking powder", "1/4 tsp. salt", "1/2 c. butter", "1/2 c. sugar", "1 egg", "1/3 c. milk", "1 tsp. vanilla", "2 1/2 c. blueberries", "1/4 c. sugar", "1/4 c. flour", "1/2 tsp. cinnamon", "3 Tbsp. butter"]
["Stir together first 3 ingredients.", "In mixer, combine 1/2 cup butter and 1/2 cup sugar.", "Mix until fluffy.", "Add egg and beat until smooth.", "Combine milk and vanilla; add alternately with dry ingredients to mixture at low speed.", "Pour batter into greased and floured 1 1/2-quart oval baking dish.", "Spoon berries over batter. Combine 1/4 cup sugar, 1/4 cup flour and cinnamon; cut in butter. Sprinkle over berries.", "Bake at 375\u00b0 for 35 to 40 minutes."]
["flour", "baking powder", "salt", "butter", "sugar", "egg", "milk", "vanilla", "blueberries", "sugar", "flour", "cinnamon", "butter"]