Check out this knock off recipe for Portillo’s Chocolate Cake.
I sure love Portillo’s! My mouth is watering just thinking of their Tuna Steak Sandwiches. That thick charred fish topped with lettuce, tomato, red onion, and their tartar sauce on a sweet bun. YUM!! I want one right now!!!
My family, on the other hand, loves the Portillo’s Chocolate Cake. It’s so rich, thick, and moist. It’s one of those cakes that leaves you thinking about it long after you’ve finished your meal. You may not have heard of Portillo’s, but you can make this amazing cake at home. It’s super easy and delicious. Your family and guests will be asking for more! I let them eat it before I reveal the ingredients.
Knock Off Portillo’s Chocolate Cake
The ingredients for this cake are quite simple. So simple that it uses a premade cake mix. Yes, you get a restaurant quality cake using a cake mix. I even use a store-brand cake mix.
Portillo’s serves this as a double layer cake. I make it as a sheet cake and it tastes just as good. I really do take the easy way out!
While this cake would taste great as is, I top it with a basic chocolate buttercream frosting.
Easy Chocolate Buttercream Frosting
1 cup (2 sticks) of softened butter
3-4 cups of powdered sugar
1/2 cup cocoa powder
1-2 tablespoons of whole milk
1 teaspoon vanilla or almond extract
Mix the butter until fluffy. Add 3 cups of the powdered sugar, the cocoa powder, 1 tablespoon of milk, and the extract (I prefer Almond) and mix until fluffy. Add in more powdered sugar or milk for desired consistency. Frost when cake when it has cooled. I just frosted mine in the dish I baked it in.
Have you ever eaten at Portillo’s? Even if you haven’t, you should try this out for your next get together and reap the compliments!
Diana Rambles

Ingredients
- devil's food chocolate cake mix
- 3 eggs
- 1 cup mayonnaise
- 1 cup COLD whole milk
Instructions
- In a large mixing bowl, combine all the ingredients.
- Mix the batter with mixer for 3-4 minutes.
- Pour the batter into a greased baking dish. I used a glass 9x12 baking dish. It can be made in two round cake pans to layer like Portillo's does.
- Bake at 350 degrees for 30-32 minutes. Adjust for other size pans, using the cake mix directions as a guide.
Leave a Reply