Baked Cinnamon Sugar Donuts

Bahan-bahan (8 porsi)

• 1 cup (125g) all-purpose flour (spooned & leveled)
• 1 teaspoon baking powder
• 1/4 teaspoon baking soda
• 1/2 teaspoon salt
• 1/2 teaspoon ground cinnamon
• 1/4 teaspoon ground nutmeg
• 1 large egg, at room temperature
• 1/3 cup (65g) packed light or dark brown sugar
• 1/4 cup (60g/ml) milk, at room temperature
• 1/4 cup (60g) sour cream or plain yogurt, at room temperature
• 2 Tablespoons (28g) unsalted butter, melted
• 1 and 1/2 teaspoons pure vanilla extract
• 1 cup (200g) granulated sugar
• 1 teaspoon ground cinnamon
• 1/2 cup (8 Tbsp; 113g) unsalted butter, melted