Cinnamon Sugar Donut Muffins

Ingredients

For the muffins:
1 3/4 cup flour
1 1/2 tsp baking powder
1/2 tsp salt
1/2 tsp nutmeg
1/2 tsp cinnamon
1/3 cup oil
1 tsp vanilla extract
3/4 cup granulated sugar
1 egg
3/4 cup milk
For the Cinnamon Sugar Topping:
1/4 cup butter, melted
1/3 cup granulated sugar
1 Tbsp cinnamon

Preparation method