Peanut Butter Chocolate Mug Cake

This super-fast peanut butter-chocolate mug cake is a great way to indulge your sweet tooth. The cake is tender and moist, with a hint of peanut butter. Enjoy this easy mug cake plain or topped with peanuts, chocolate chips or a sprinkle of coarse sea salt.

Ingredients

  • 2 tablespoons whole-wheat pastry flour
  • 1 tablespoon cocoa powder
  • 1 tablespoon light brown sugar
  • ⅛ teaspoon baking soda
  • pinch of salt
  • 1 tablespoon low-fat milk
  • 1 tablespoon water
  • 2 teaspoons neutral oil, such as canola or avocado
  • 2 teaspoons crunchy natural peanut butter
  • ⅛ teaspoon vanilla extract
  • unsalted roasted peanuts, bittersweet chocolate chips and/or coarse sea salt (optional)