• Preheat oven to 350-degrees F. Spray muffin pan with non-stick cooking spray or use muffin papers.

For the muffins:

• In a large bowl, sift together the flour, baking powder, and nutmeg. Set aside.
• In a medium bowl, mix together the the melted butter, white sugar, egg, and milk. 
• Add the wet ingredients to the dry ingredients. Stir just until combined.
• Spoon batter into muffin tin or muffin papers, about 3/4 full. Bake for 20-25 minutes, or until muffins just start to turn golden at the edges.

For the topping:

• Mix sugar and cinnamon together in a small bowl. Set aside.
• In a separate small bowl, place the melted butter. Dip the tops of the warm muffins in the melted butter, then in the cinnamon sugar.