Indulge in the delicious world of cinnamon sugar donut muffins with this easy and irresistible recipe! These muffins blend the soft, fluffy texture of classic muffins with the sweet cinnamon flavor reminiscent of donuts. Perfect for breakfast or brunch, you'll impress everyone with your baking skills. Follow the simple steps and enjoy customizing your treats.
1 ½ cups all-purpose flour
1 cup granulated sugar
2 teaspoons baking powder
½ teaspoon baking soda
½ teaspoon salt
1 teaspoon ground cinnamon (plus extra for topping)
1 large egg
½ cup whole milk
¼ cup unsalted butter, melted
1 teaspoon vanilla extract
½ cup powdered sugar (for dusting)