Combine first 5 ingredients in a medium bowl; make a well in center of mixture. Combine margarine, lemon rind, 2 tablespoons lemon juice, eggs, and yogurt; stir well with a whisk. Add to flour mixture, stirring just until moist.
Spoon batter into each of 12 muffin cups coated with cooking spray. Bake at 400° for 20 minutes or until golden.
Combine 2 tablespoons lemon juice and 1 1/2 tablespoons sugar in a small saucepan; bring to a boil. Cook 2 minutes or until slightly thick. Brush muffins with lemon glaze; remove from pans.