Peanut Butter Cookie Cupcakes

Bahan-bahan (30 porsi)

• 1¾ cups all purpose flour
• 3/4 teaspoon baking powder
• 1/2 teaspoon salt
• 1/4 teaspoon baking soda
• 3/4 cup (1½ sticks) unsalted butter, (at room temperature)
• 1 1/3 cups granulated white sugar
• 2/3 cup creamy peanut butter
• 3 large eggs
• 1/2 teaspoon vanilla extract
• 1/2 cup sour cream
• 12 ounces cream cheese, (at room temperature)
• 1½ cups powdered sugar, (plus more for decorating)
• 3 tablespoons unsalted butter, (at room temperature)
• 1½ cups creamy peanut butter