Chocolate Peanut Butter Volcano Cake

Ingredients (13)

• + cooking spray add to pantry
• + ¾ cup chopped peanuts add to pantry
• + 1 (15.25 ounce) package chocolate cake mix (such as Betty Crocker® Super Moist®) add to pantry
• + 1 ¼ cups water add to pantry
• ✓ 3 eggs
• + ½ cup vegetable oil add to pantry
• + 8 peanut butter cups, chopped add to pantry
• ✓ 3 ½ cups confectioners' sugar, divided
• + 1 (8 ounce) package cream cheese, softened add to pantry
• ✓ ½ cup peanut butter
• + ¼ cup butter add to pantry
• + ½ cup milk add to pantry
• + ¼ cup cocoa powder add to pantry