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Home » Recipes » Cake Recipes

Guinness Chocolate Sheet Cake

Published: Apr 27, 2025 by Debra Clark · Leave a Comment

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Guinness Sheet Chocolate Cake is rich, fudgy, and full of flavor, making it the perfect dessert for any occasion. Whether you're celebrating a birthday or just craving something sweet, this is the cake for you.

A generous slice of beer chocolate cake served on a white plate, with a fork.
Jump to:
  • Ingredients
  • Guinness Chocolate Cake Recipe
  • Frequently asked questions (FAQ’s)
  • Variations
  • Deb’s top tips
  • More recipes you’ll love

Chocolate beer cake may sound like an unusual combination, but trust me, it's a match made in dessert heaven. The Guinness adds richness to the chocolate cake, and the beer's carbonation helps create a light and airy texture. So tasty!

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Ingredients

All of the ingredients needed for the cake recipe, with print overlay for clarification.

This easy Guinness Chocolate Cake starts with a devil’s food cake mix and instant chocolate pudding for rich, chocolatey flavor. Guinness stout beer adds deep, bold notes, while butter, eggs, pure vanilla extract, and a pinch of salt create a tender crumb.

A big scoop of sour cream keeps the cake extra moist. Top it off with creamy store-bought sour cream frosting and a handful of sprinkles for a fun, festive finish!

Slice of Guinness chocolate cake on a plate, showcasing its fudgy center and decadent frosting.
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Guinness Chocolate Cake Recipe

Rich, ultra-moist chocolate sheet cake with a deep Guinness flavor and a silky vanilla frosting is pure bliss in every bite!
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Prep Time10 minutes mins
Cook Time40 minutes mins
Cooling time2 hours hrs
Total Time2 hours hrs 50 minutes mins
Course: Dessert
Cuisine: American
Servings: 15 servings
Calories: 289kcal
Author: Deb Clark

Equipment

  • 1 9x13 baking dish

Ingredients

  • 15.25 ounce devil’s food cake mix
  • 3.9 ounce instant chocolate pudding mix
  • 1 cup Guinness stout beer (room temperature)
  • ½ cup melted butter
  • 4 large eggs
  • 1 teaspoon vanilla extract
  • ½ teaspoon salt
  • ½ cup sour cream
  • 16 ounce tub of sour cream vanilla frosting
  • sprinkles (if desired)

Instructions

  • Preheat oven to 350°F . Grease and flour a 9x13-inch pan or two 8-inch round cake pans.
  • In a large bowl, whisk together the cake mix, pudding mix, Guinness, melted butter, vanilla, salt, and sour cream.
    Guinness beer being poured into chocolate cake batter.
  • Add the eggs one at a time, incorporating until creamy.
    Chocolate cake batter in a bowl with an egg being cracked into the batter.
  • Beat with a hand mixer or whisk until smooth (about 2 minutes).
    Chocolate cake batter in a mixing bowl with a mixer.
  • Pour the batter into the prepared pan and smooth the top. Bake for 35-40 minutes, or until a toothpick inserted in the center comes out clean. Remove and allow to cool completely.
    Chocolate cake batter in a cake pan being smoothed out with a spatula.
  • When the cake is completely cooled, slather on the frosting. You can make it as thick or thin as you desire, and don't forget the sprinkles! Customize for any holiday. This cake is great all year long!
    Baked chocolate cake being frosted with creamy white frosting.

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    Nutrition

    Calories: 289kcal | Carbohydrates: 35g | Protein: 3g | Fat: 15g | Saturated Fat: 6g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 5g | Trans Fat: 0.3g | Cholesterol: 64mg | Sodium: 388mg | Potassium: 88mg | Fiber: 1g | Sugar: 28g | Vitamin A: 301IU | Vitamin C: 0.1mg | Calcium: 33mg | Iron: 1mg

    Frequently asked questions (FAQ’s)

    What happens to alcohol when baked in a cake?

    When alcohol is baked in a cake, most of it evaporates during the baking process due to the high heat, leaving behind only the flavor.

    Can this recipe be made ahead of time?

    Absolutely, this cake can be made up to 24 hours in advance. In fact, it's best if it's made the day before. Making it perfect for potluck's and celebrations!

    What does beer do to cake?

    Beer gives the cake a lighter texture, carbonation, and subtle flavor. It also adds moisture to the batter, resulting in a deliciously moist and fluffy cake! You'll love this one!

    Variations

    Swap the Guinness for another stout beer, like a chocolate or coffee stout. Or mix in dark chocolate chips or chunks to the batter for extra bursts of chocolate in every bite!

    Brush the top of the cake with Baileys Irish Cream right when it comes out of the oven. The cake will be even more rich and decadent.

    Try using a cream cheese frosting or sour cream frosting instead of vanilla frosting for a tangy twist that pairs beautifully with the deep, chocolatey cake.

    A beautifully baked Guinness chocolate cake, rich and dark with a moist texture.

    Deb’s top tips

    When it comes to making cakes, the most crucial factor is not overmixing. You want to mix your batter until just combined, never longer than 2 minutes.

    • I used store-bought frosting to save time. However, you can also use your favorite homemade frosting recipe instead.
    • If you want to add some extra flair to your cake, a drizzle of caramel sauce or even some chocolate shavings or curls are great garnishes.
    Close-up of a luscious beer chocolate cake, highlighting the creamy frosting and rich chocolatey cake.

    More recipes you’ll love

    I don't know about you, but I think chocolate desserts are the best! If you are like me and love chocolate, then you are going to want to try Kahlua Chocolate Truffles, Chocolate Chip Bundt Cake, and this Chocolate Hershey Pie recipe. Heaven on a fork!

    I've taken this to potlucks and family gatherings. It's always a hit! I'd love for you to give this recipe a try, and come back and let me know what you think! I can't wait to hear your thoughts!

    More Cake Recipes

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    About Debra Clark

    Hey I'm Deb Clark, and I'm the owner of Bowl Me Over! We live in the sleepy little town of Scappoose, Oregon. And I admit it... I love food! Join me in this foodie journey (even if you've never cooked before!) I will help you learn to be confident in the kitchen! Want to learn more? Let's stay connected, you can email me at debra@bowl-me-over.com and find me on Facebook, Pinterest, Instagram, Twitter and YouTube.

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