Cake:
1 box Betty Crocker yellow cake mix1 cup water
3 eggs
1/2 cup creamy peanut butter
1/4 cup butter, softened
1/2 cup chocolate syrup
Toppings:
3 tablespoons creamy peanut butter
2-3 tablespoons milk
1 cup powdered sugar
2 tablespoons chocolate syrup
20 peanut butter cups, unwrapped, cut in half
Directions:
1.Preheat oven to 350°F. Grease and flour two 8x4-inch loaf pans. In large bowl, beat cake mix, water, eggs, peanut butter and butter with electric mixer on low 30 seconds and increase to medium speed for 2 minutes, scraping down sides of bowl.
2.Remove 1/2 cup of the batter to a medium bowl, stir in 1/2 cup chocolate syrup to make the chocolate fudge batter.
3. Spread half the peanut butter batter evenly between the two prepared pans. Spoon chocolate batter onto center of peanut butter batter in both pans. Spoon remaining peanut butter batter evenly over both pans. Swirl with knife in a circular motion. Bake 50 to 55 minutes or until toothpick inserted in center of cake comes out clean. Cool 10 minutes in pan. Carefully invert pan onto cooling rack to remove cake. Cool about 1 hour.
4.For glaze, in medium bowl, whisk peanut butter and 2 tablespoons milk until smooth. Add powdered sugar; mix until smooth. If necessary, gradually add additional 1 tablespoon milk until glaze is of desired consistency. Divide glaze in half between two small bowls. In one bowl, stir in 2 tablespoons chocolate syrup until well blended. Drizzle peanut butter and chocolate glazes over cakes; sprinkle peanut butter cups over top of cake.