Carrot muffins

Sugar and butter free – from Abel and Cole

1 egg
200ml natural yogurt
1 orange (juice and zest)
250g Wholemeal flour
2tsp baking powder
1/2 tsp of bicarbonate of soda
5 tbsp of honey (plus extra for tops)
1 large carrot grated
3 tsp mixed spice
A handful of dried fruit (raisins, chopped apricots etc)
A handful of nuts and/or seeds
2tsp grated orange zest