Blueberry Coffee Cake
["2 c. flour", "1 c. sugar", "3 tsp. baking powder", "1 tsp. salt", "1/3 c. margarine", "1 c. milk", "1 egg", "1 c. powdered sugar", "1 to 2 Tbsp. lemon juice"]
["Heat oven to 350\u00b0.", "Mix ingredients 2 minutes at medium speed. Put in half the batter (thawed and well drained).", "Add rest of batter and sprinkle with another cup of.", "Drizzle warm cake with 1 cup powdered sugar and 1 to 2 tablespoons lemon juice."]
["flour", "sugar", "baking powder", "salt", "margarine", "milk", "egg", "powdered sugar", "lemon juice"]