Tiramisu Cake

1 (18.25 ounce) box yellow cake mix
3/4 cup strong coffee
1 cup granulated sugar
1/2 cup chocolate syrup
8 ounces cream cheese
2 cups heavy whipping cream
2 Reese's peanut butter bars

Bake cake as directed in a 13 x 9-inch baking pan and cool completely.

Using a wooden pick, poke holes in cake. Pour coffee over cake.

Beat sugar, chocolate syrup, cream cheese until smooth. Add whipping cream; beat on medium speed until light and fluffy. Spread over cooled cake.

Grate candy bars, and sprinkle over frosting. Cool 1 hour or until ready to serve.