Preheat oven to 375 degrees and grease a 24 count mini muffin pan.
Mix melted butter, sugar and nutmeg in a large bowl.
Add milk and mix thoroughly.
Add baking powder and flour and mix until just combined.
Fill mini muffin cups 1/2 full.
Bake for 15 - 20 minutes or until done on outside & through the middle.
While baking, melt butter for coating in a small bowl.
Mix cinnamon and sugar in another bowl for coating.
Dip baked muffins into melted butter and then toss in cinnamon sugar.
Serve & enjoy!