Snickerdoodle Cupcakes with Cinnamon Swirl Frosting

Bahan-bahan (12 porsi)

• 1 and 2/3 cups (209g) all-purpose flour (spooned & leveled)
• 1 teaspoon baking powder
• 1/4 teaspoon baking soda
• 1/2 teaspoon salt
• 1/2 cup (8 Tbsp; 113g) unsalted butter, melted and slightly cooled
• 1 and 1/3 cups (266g) granulated sugar, divided
• 1 large egg, at room temperature
• 1/4 cup (60g) sour cream or plain yogurt, at room temperature*
• 3/4 cup (180ml) whole milk, at room temperature
• 1 Tablespoon pure vanilla extract
• 2 teaspoons ground cinnamon
• 1 cup (16 Tbsp; 226g) unsalted butter, softened to room temperature
• 3 -4 cups (360–480g) confectioners’ sugar
• 1/4 cup (60ml) heavy cream, at room temperature
• 2 teaspoons pure vanilla extract
• salt, to taste
• 1 Tablespoon ground cinnamon
• optional for garnish: 12 cinnamon sticks or 12 mini snickerdoodles*