2 cups all-purpose flour
1/3 cup sugar
2 teaspoons baking powder
1 teaspoon grated lemon peel
1/2 teaspoon baking soda
1/4 teaspoon salt
1 cup lemon yogurt
1 egg
1/4 cup butter or margarine, melted
1 cup fresh or frozen blueberries*
GLAZE:
1/2 cup confectioners' sugar
1 tablespoon lemon juice
1/2 teaspoon grated lemon peel