DirectionsCombine first 4 ingredients in a large bowl; make a well in center of mixture.
Combine egg, milk, orange rind, orange juice, and oil, mixing well; add to dry ingredients, stirring just until moistened.
Stir in raisins.
Spoon batter into greased muffins pans, filling two-thirds full.
Bake at 400F for 20 minutes.