Peanut Crunch Cake

Ingredients (9)

• + 1 (18.25 ounce) package yellow cake mix add to pantry
• + 1 cup peanut butter add to pantry
• ✓ ½ cup packed brown sugar
• + 1 cup water add to pantry
• ✓ 3 eggs
• + ¼ cup vegetable oil add to pantry
• + 1 cup chopped peanuts add to pantry
• + ¾ cup semisweet chocolate chips add to pantry
• + ¾ cup peanut butter chips add to pantry