Portillos Chocolate Cake Recipe Mayonnaise. People who claim to have worked at portillo’s say the recipe is fairly accurate, but that the chocolate cake mix is actually gold medal. In a large bowl, combine the water, mayonnaise and vanilla until well blended.
If chocolate cake is your thing, than you are going to love this copycat version of portillo's chocolate cake recipe. Pour the batter into a greased baking dish. Add a bit of coffee!
It's decadent and delicious and tastes just.
It can be made in two round cake pans to layer like portillo's does. Gradually beat into mayonnaise mixture until blended. I used a glass 9x12 baking dish. So this copycat recipe intrigued me.