Mini chocolate muffins & peanut butter middles

Celebrating today hitting a second weight-loss target and for me, that means cake (albeit a little one)!  Muffins fit the bill for this, they are easy to make, quick to bake and freeze well to boot! Standard chocolate muffin recipe, plain flour, coco powder, baking powder, caster sugar, 1 egg, vanilla essence, milk and oil. …