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    Home » Recipes » Baking Recipes

    Portal Cake

    This post may contain affiliate links.

    This cake is a lie. Just kidding- but it is the cake inspired by Portal. It’s actually one of the best homemade chocolate cakes ever. It’s super chocolatey, incredibly delicious, and has one of the best chocolate frostings. You can’t go wrong with this!

    PIN NOW AND SAVE FOR LATER!

    Portal Cake: Homemade Chocolate Cake with the Best Chocolate Frosting! #atablefullofjoy #dessert #chocolate #portal #fromscratch #scratch

    Jump to Recipe Print Recipe

    PORTAL CAKE RECIPE

    Portal is both a super fun computer game and an interesting board game. I first played the computer game in grad school when my boyfriend (now husband!) took it upon himself to show me the fun game. He insisted I play through the entire game and when I got frustrated or couldn’t figure out what to do, he would give me clues to help.

    Portal Cake: Homemade Chocolate Cake with the Best Chocolate Frosting! #atablefullofjoy #dessert #chocolate #portal #fromscratch #scratch
    It was a lot of fun! The game is a series of puzzles set in a research and development company. You are told to complete each puzzle and that there is cake at the end as a consolation prize. You use portals to solve the puzzles... hence the name.

    In the game you are being instructed on what to do by GLaDOS (which stands for Genetic Lifeform and Disk Operating System). She comes off trying to help you and promises you cake when you finish, but in reality she is trying to kill your character. So throughout the game you see “the cake is a lie” written on the walls. As if it’s a warning to you not to trust GlaDOS.

    Portal Cake: Homemade Chocolate Cake with the Best Chocolate Frosting! #atablefullofjoy #dessert #chocolate #portal #fromscratch #scratch
    The Portal board game is something we picked on the fly from store that was going out of business.  The game also uses portals and cake as its main themes and is quite fun to play. However, if I had to choose, I’d play the computer game over the board game.

    This Portal Cake Recipe is so good!

    Portal Cake: Homemade Chocolate Cake with the Best Chocolate Frosting! #atablefullofjoy #dessert #chocolate #portal #fromscratch #scratch
    This dark chocolate cake was a lot of fun to make and even more fun to eat- and it wasn’t a lie!  It is massive though, so either make it for a party or just be prepared to eat a lot of cake (which isn’t a bad thing!) I ended up sending at least half of this to work with my husband and they were very happy to get it! They ate it within one day and told me how much they enjoyed it!

    The cake may be a lie in the game, but it's very real here!

    Portal Cake: Homemade Chocolate Cake with the Best Chocolate Frosting! #atablefullofjoy #dessert #chocolate #portal #fromscratch #scratch
    I would definitely enjoy this with a big glass of cold milk.

    If you like this recipe check out my chocolate cupcakes with a marshmallow frosting, Star Wars inspired chocolate chip wookie cookies, and my chocolate drizzled popcorn! And did you know I have a full Hearthstone inspired menu? Check it out!

    Portal Cake: Homemade Chocolate Cake with the Best Chocolate Frosting! #atablefullofjoy #dessert #chocolate #portal #fromscratch #scratch
    Have you played Portal? Or do you just love chocolate cake? (I am a yes to both obviously!) Let me know in the comments below!

    Homemade Chocolate Cake


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    Homemade Chocolate Cake

    Portal Cake

    Author: Lisa
    This homemade chocolate cake is over the top chocolatey and decorated to look like the cake from Portal! It is a three layer dark chocolate cake frosted with the best milk chocolate frosting! It is rich, moist and one of the best chocolate cakes ever!
    5 from 1 vote
    Print Recipe Pin Recipe
    Prep Time 30 mins
    Cook Time 25 mins
    Decorating 20 mins
    Total Time 55 mins
    Course Dessert
    Cuisine American
    Servings 16 people

    Ingredients
      

    Best Chocolate Cake

    • 1 teaspoon instant espresso
    • ⅔ cup boiling water
    • ⅔ cup special dark cocoa powder*
    • 1 cup buttermilk
    • 2 teaspoon vanilla extract
    • 2 ⅔ cup cake flour
    • 1 ½ teaspoon baking soda
    • ½ teaspoon salt
    • 2 ½ cup sugar
    • 1 cup unsalted butter
    • 4 extra-large eggs
    • 2 extra-large yolk
    • ½ cup vegetable oil

    Best Chocolate Frosting- make 2 batches of this!

    • ½ cup butter melted
    • ½ cup cocoa powder
    • 5 cups powdered sugar
    • ¾ cup heavy whipping cream
    • 1 teaspoon vanilla
    • pinch salt

    Portal Decorations

    • ½ block of chocolate almond bark
    • whipped cream
    • 8 cherries
    • 1 white candle

    Instructions
     

    To make the best chocolate cake:

    • Preheat oven to Preheat oven to 350°F. Butter three 9 inch round cake pans, bottoms and sides, then sprinkle the pans with flour, then cut out parchment in circles to fit the bottom of the cake pans and place those in the pan.
    • Boil water and add espresso to it, stirring until dissolved.
    • Whisk cocoa powder, then buttermilk and vanilla into water/espresso mixture.
    • Sift flour, baking soda and salt into a separate bowl.
    • Using a stand mixer, whisk sugar and butter until fluffy. About 10 minutes.
    • Add each egg and the yolk, one at a time, into the butter mixture, letting each one fully mix into the batter before adding the next. Add in oil and mix until fully combined. The beat mixture on medium high speed for a minute- the mixture will be light and fluffy.
    • Fold in ½ of the flour and then fold in ½ of the buttermilk mixture to the batter. Then fold in remaining flour and then remaining buttermilk mixture.
    • Bake for 20-25 minutes or until a toothpick inserted comes out clean. Try baking the cakes on the same rack, or baking them one at a time. This will ensure even baking.
    • Once the cakes are done let them cool completely before decorating.

    How to make the best chocolate frosting:

    • Melt butter in a microwave safe dish.
    • Mix in cocoa powder and salt. Alternate stirring in the powdered sugar and milk in increments. I like to do 1 cup powdered sugar, 1 splash of heavy cream, stir and repeat.
    • Stir in vanilla.
    • Make sure to make 2 batches of this recipe!
    • Enjoy!
    • See notes for more frosting info!*

    To assemble the cake

    • Once cakes are cooled, level them by cutting off any raised dome structures.
    • Gate your almond bark to make chocolate shavings. I used a cheese grater and grated about half of the large chocolate bar.
    • Place a little bit of frosting on a cardboard cake round and then place your first layer on top of that.
    • Add at least ½ cup of frosting on top of the first layer and spread out into a nice thick even layer. Then repeat with the 2nd layer and 3rd layer.
    • Then gently press the chocolate shavings over the entire cake.
    • Using whipped cream, either canned or homemade (if using homemade use a piping page and tip to get the correct design), pipe on 8 dollops of whipped cream.
    • Place a cherry on each dollop of whipped cream (it might help to dry the cherries off with a paper towel before placing them on the whipped cream).
    • Add a white candle in the middle and now you have a portal cake! Enjoy!

    Notes

    *I used Hershey’s special dark cocoa powder for the cake to make it a dark chocolate cake, but you can use any cocoa powder you have. *I made 2 batches of this to frost the cake. I didn’t just double the recipe and throw all the ingredients together because I wasn’t sure if the consistency would be the same. If you do try that and it is too runny just add more powdered sugar ¼ cup at a time until it is to the thickness desired. If the frosting is too stiff, just add more heavy cream, 1 tbs at a time, until it is less thick. 

    Nutrition

    Calories: 577kcalCarbohydrates: 72gProtein: 6gFat: 31gSaturated Fat: 20gCholesterol: 128mgSodium: 266mgPotassium: 123mgFiber: 1gSugar: 55gVitamin A: 812IUVitamin C: 1mgCalcium: 45mgIron: 1mg
    Keyword Portal Cake, Portal Cake Recipe
    Did you make this recipe?Tag me on Instagram at @atablefullofjoy

     

    I am not affiliated with or sponsored by the maker's of Portal, Vale Corporation, or Microsoft.

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