Chocolate Mayonnaise Cake

"So easy your husband can make it! We found this recipe on several sites on the web but we believe it originated from makers of Hellman's (Best Foods) mayonnaise. The cake is moist and quite flavorful.My husband whipped this cake up on a rainy Sunday afternoon. I think that speaks volumes about the ease of the recipe given as a rule, he does not cook. I get to take credit for the frosting–well I suppose Hershey's gets the recipe credit but I made it happen.The FrostingAs chocolate lovers we elected to frost the cake using the recipe from the Hershey's Cocoa can. The recipe is simple and produces a smooth, rich, chocolate frosting. We also added a top garnish of crispy cocoa nibs. I love the dark chocolate flavor and crunchy texture...."