Easy and Quick Chocolate Peanut Butter Cake

Ingredients (10)

• ✓ cooking spray
• + 1 (16.5 ounce) package devil's food cake mix add to pantry
• ✓ 1 cup water
• + 1 cup peanut butter add to pantry
• + 1 cup chopped peanuts add to pantry
• ✓ 3 eggs
• + ⅓ cup vegetable oil add to pantry
• + 1 (14 ounce) can sweetened condensed milk add to pantry
• + 8 peanut butter cups (such as Reese's®), chopped add to pantry
• + 1 (8 ounce) container frozen whipped topping, thawed add to pantry