Sift together the flour, cocoa and baking powder and set aside.
Roughly chop the Terry's Chocolate Orange into chunks, 4 or 5 per segment. You can reserve some large chunks to garnish the top of the muffins if you like AFTER they are baked, not before as is pictured. (Please see notes)
Mix in the orange zest.
2017 UPDATE: Based upon feedback from readers, I am no longer recommending adding the garnishing piece of chocolate orange before baking. Some found that the high sugar content of the chocolate caused it to scorch in their oven
INSTEAD, reserve the pieces you normally would have put on top of the batter and insert them, narrow side of the wedge pointing down, into the top of the baked muffin when they cool.
The nutritional information provided is automatically calculated by third party software and is meant as a guideline only. Exact accuracy is not guaranteed. For recipes where all ingredients may not be used entirely, such as those with coatings on meats, or with sauces or dressings for example, calorie & nutritional values per serving will likely be somewhat lower than indicated.