Soft Chocolate Cookies with Peanut Butter Frosting

Bahan-bahan (20 porsi)

• 1/2 cup salted butter (softened (1 stick))
• 3/4 cup sugar
• 1/2 cup brown sugar (packed)
• 1 large egg
• 1/2 cup sour cream
• 1 teaspoon vanilla extract
• 1 & 3/4 cups flour (spooned and leveled)
• 1/2 cup unsweetened cocoa powder
• 1 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/4 teaspoon salt
• 1/2 cup salted butter (softened)
• 1 cup creamy peanut butter
• 2 cups powdered sugar
• 3 to 4 tablespoons milk
• 2 teaspoons vanilla extract
• pretzels (chopped, to garnish)
• peanuts (chopped, to garnish)