Instructions

1. Heat oven to degrees 400 F. Line muffin pan cups with paper baking cups or spray with non-stick cooking spray.
2. Mix self-rising flour and the white sugar together in a medium bowl until combined. Blend milk, butter, egg and vanilla together in a small bowl. Stir the wet ingredients intot he dry flour mixture only until just combined. The batter will be lumpy, which is desired.
3. Gently fold the cranberries and the grated orange peel into the batter.
4. Spoon batter into prepared muffin cups until each one is no more than 2/3 full.
5. Bake muffins for 18 to 20 minutes, or until a toothpick inserted in center of one muffin comes out clean.
6. Cool at least 10 minutes on wire rack, then remove muffins from the pan.
7. Sprinkle with powdered sugar, if desired.