Noni'S Blueberry Cake
["1 3/4 c. flour", "2 tsp. baking powder", "1/4 tsp. salt", "1 egg, unbeaten", "1/4 c. softened margarine", "1/2 c. milk", "1 tsp. vanilla", "1 c. sugar", "1 c. blueberries"]
["Preheat oven to 350\u00b0.", "Cream margarine; add sugar until fluffy.", "Add egg; beat well.", "Add flour, alternating with milk and vanilla.", "Beat well.", "Coat blueberries with 4 teaspoons of flour; fold into batter.", "Pour into greased and floured 8 x 8 x 2-inch pan."]
["flour", "baking powder", "salt", "egg", "margarine", "milk", "vanilla", "sugar", "blueberries"]