Preheat the oven to 430F. Once you put the muffins in the oven lower the temperature to 400F.
- Combine dry ingredients in a large bowl, sifting your flour.
- In another bowl mix together your orange juice, oil, eggs, butter, vanilla extract and orange zest.
- Combine wet and dry mixtures and mix together just so all are combined. Be careful not to overmix, just should practically fold the batter into itself rather than mixing.
- Gently fold in cranberries.
- Fill the muffin cups.
- Now you can sprinkle with sugar if you wish.
- Bake for 18-20 minutes.