Chocolate Peanut Butter Layered Cookie Cake

Ingredients

• 1 cup (2 sticks) unsalted butter
• 2 cups chocolate chips
• 1 and 1/2 cups granulated sugar
• 2 large eggs
• 1 teaspoon vanilla extract
• 2 cups all-purpose flour
• 2/3 cup unsweetened cocoa powder
• 1 teaspoon baking soda
• 1/4 teaspoon salt
• 1 cup (2 sticks) unsalted butter, room temperature
• 1 cup creamy peanut butter
• 1 and 1/2 cups powdered sugar