Mix all the ingredients, except the cherry pie filling, together with electric mixer until smooth. Add in cherry pie filling and mix until cherries are in small chunks.
Stir in chocolate chips. Spoon the batter into 18 paper‑lined muffin tins.
Bake at 350F for 25 minutes or until a toothpick comes out clean except for melted chocolate chips. Remove from the oven and let cool down.
To prepare the glaze, combine the milk, butter, sugar, chocolate and cocoa powder in a medium sauce pan. Slowly bring the mix to a boil and cook for 1 minute. Set aside and let cool slightly.