Lemon Muffins
["1 1/2 c. flour", "1 tsp. baking powder", "1 tsp. baking soda", "1/4 tsp. salt", "3 Tbsp. margarine", "1/4 c. packed brown sugar", "1 egg", "1 c. lemon yogurt", "2 tsp. lemon juice", "1 1/2 tsp. grated lemon rind", "1 Tbsp. sugar"]
["Sift flour, baking powder, baking soda and salt into a bowl. In a separate bowl, cream margarine and brown sugar.", "Beat in egg. Beat in yogurt, lemon juice and 1 teaspoon of lemon rind."]
["flour", "baking powder", "baking soda", "salt", "margarine", "brown sugar", "egg", "lemon yogurt", "lemon juice", "lemon rind", "sugar"]