Homemade Funfetti-Style Cupcakes

Bahan-bahan (14 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
• 1 cup (200g) granulated sugar
• 1 large egg, at room temperature
• 1/4 cup (60g) sour cream or plain yogurt, at room temperature
• 2 teaspoons pure vanilla extract
• 3/4 cup (180ml) whole milk, at room temperature
• 6 Tablespoons (60g) rainbow sprinkles (not nonpareils)
• 3/4 cup (12 Tbsp; 170g) unsalted butter, softened to room temperature
• 4 ounces (113g) full-fat brick cream cheese, softened to room temperature
• 4 cups (480g) confectioners’ sugar
• 2 Tablespoons (30ml) heavy cream, half-and-half, or whole milk, at room temperature
• 1 and 1/2 teaspoons pure vanilla extract
• salt, to taste
• optional for garnish: rainbow sprinkles