Blueberry Cake
["1/3 c. butter", "1 1/3 c. sifted flour", "1/4 tsp. salt", "2/3 c. sugar", "2 tsp. baking powder", "1/3 c. milk", "1 egg", "2 c. blueberries"]
["Cream butter and sugar until fluffy.", "Beat in egg.", "Add sifted dry ingredients alternately with milk.", "Fold in blueberries. Grease and flour an 8 x 8-inch pan.", "Bake at 350\u00b0 for 30 minutes."]
["butter", "flour", "salt", "sugar", "baking powder", "milk", "egg", "blueberries"]