INGREDIENTS

  • 2 1/4 cups flour
  • 1 1/2 cups sugar
  • 1/2 cup peanut butter
  • 1 1/4 cups milk
  • 3 1/2 teaspoons baking powder
  • 1 teaspoon salt
  • 2 teaspoons vanilla
  • 3 large eggs
  • 3 tablespoons baking cocoa
  • 1/8 teaspoon baking soda

DIRECTIONS

  1. Heat oven to 350°F.
  2. Grease bottom and sides of rectangular pan (13×9) with shortening and lightly flour.
  3. Beat all ingredients (except baking cocoa and 1/8 teaspoons baking powder) with electric mixer on low speed for 30 seconds, scraping bowl occasionally.
  4. Pour two-thirds of the batter (about 3 cups) into pans.
  5. Stir 3 tablespoons baking coca and 1/8 teaspoons baking soda into remaining batter.
  6. Drop heaping tablespoonfuls of chocolate batter randomly into peanut butter batter.
  7. Pull knife through batters in S-shape curves for marble design.
  8. Turn pan 1/4th turn and repeat marbling.
  9. Bake for 40-45 minutes until toothpick inserted in center comes out clean.
  10. Cool.
  11. Frost with fudge frosting or Chocolate/peanut Butter Buttercream Frosting.