Peanut Butter Cookie Cupcakes

Ingredients (16)

• COOKIE CUPCAKES:
• 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,
• 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
• FROSTING:
• 12 ounces cream cheese,
• 1½ cups powdered sugar,
• 3 tablespoons unsalted butter,
• 1½ cups creamy peanut butter