Ingredients:

– 1 1/2 cups all-purpose flour
– 1/2 cup granulated sugar
– 1/4 cup brown sugar
– 2 teaspoons baking powder
– 1/2 teaspoon salt
– 1/2 cup unsalted butter, melted
– 1/2 cup milk
– 1 large egg
– 1 teaspoon vanilla extract
– 1/4 cup cinnamon sugar (for topping)

For Frosting:
– 1/2 cup unsalted butter, softened
– 2 cups powdered sugar
– 1 teaspoon vanilla extract
– 2-3 tablespoons milk
– 1 tablespoon cinnamon sugar (for topping)

Instructions:

1. Preheat oven to 375°F (190°C) and line a muffin tin with paper liners.
2. In a large bowl, whisk together flour, granulated sugar, brown sugar, baking powder, and salt.
3. In another bowl, combine melted butter, milk, egg, and vanilla extract.
4. Pour wet ingredients into dry ingredients and mix until just combined.
5. Divide batter evenly among muffin cups.
6. Generously sprinkle cinnamon sugar over the tops of the muffins.
7. Bake for 18-20 minutes, or until a toothpick inserted into the center comes out clean.
8. Allow muffins to cool in the tin for 5 minutes, then transfer to a wire rack to cool completely.

Prep Time: 15 minutes
Cooking Time: 20 minutes
Total Time: 35 minutes
Kcal: 210 per serving
Servings: 12