triple chocolate-peanut butter pudding cake

Ingredients For triple chocolate-peanut butter pudding cake

• nonstick cooking spray
• 1 c

  all-purpose flour
• 1/3 c

  sugar
• 2 Tbsp

  unsweetened cocoa powder
• 1 1/2 tsp

  baking powder
• 1/2 c

  chocolate milk or regular milk
• 2 Tbsp

  vegetable oil
• 2 tsp

  vanilla
• 1/2 c

  peanut butter-flavor pieces
• 1/2 c

  semisweet chocolate pieces
• 1/2 c

  chopped peanuts
• 3/4 c

  sugar
• 2 Tbsp

  unsweetened cocoa powder
• 1 1/2 c

  boiling water
• vanilla ice cream (optional)
• chocolate bar pieces (optional)