➤ story by EMILY JOHNSON
Every St. Patrick’s Day, the same parade of desserts rolls out: aggressively green cupcakes, shamrock-shaped cookies, and Lucky Charms scattered on top of everything like sprinkles. It’s festive, sure—but rarely memorable. Guinness chocolate cake sits in a different category entirely.
Related: Turn Canned Corned Beef Into a St. Patrick’s Day Dinner
The version most people know comes from celebrity chef Nigella Lawson, published in her 2004 cookbook, Feast: Food That Celebrates Life. Consisting of chocolate, a pour of Guinness, and cream cheese frosting, the recipe doesn’t read as especially groundbreaking on paper. Yet, it’s the one that keeps getting made year after year, because the beer isn’t there for novelty, or just because it’s St. Patrick’s Day. It’s genuinely a good chocolate cake.
Does Guinness Chocolate Cake Taste Like Beer?
In Nigella’s cake recipe, Guinness functions the same way coffee often does in chocolate desserts: it deepens the flavor and keeps the sweetness from tipping too far. You don’t bite into it and think “beer.” You just get a darker, more balanced chocolate cake.
Once baked and cooled, it’s topped with a thick layer of cream cheese frosting, spread just loosely enough to mimic the foam of a freshly poured pint. No green dye, just a smart, well-built dessert that nods to Ireland’s most famous stout.
Can You Just Add Guinness to Chocolate Cake Mix?
You can, but it won’t replicate Nigella’s original. Her recipe is carefully balanced so the stout works with sour cream and baking soda to help the cake rise and give it its tender structure. A boxed mix is already calibrated, so the chemistry is different.
The easiest approach is to swap the water called for on the box with Guinness, then follow the instructions as usual. The stout will deepen the chocolate flavor and temper the sweetness, but the texture may be a bit denser without added acidity from sour cream or yogurt. It’s a shortcut that works in a pinch—but the full-from-scratch version is still in a league of its own. Read on for all the details on how to make it.
Nigella Lawson’s Guinness Chocolate Cake
➤ recipe via NIGELLA
Ingredients:
- For the Cake:
1 cup Guinness
2 sticks plus 2 tablespoons unsalted butter
¾ cup unsweetened cocoa
2 cups granulated sugar
⅔ cup sour cream
2 large eggs
2½ teaspoons vanilla extract
2 cups all-purpose flour
2½ teaspoons baking soda - For the Topping:
8 ounces cream cheese
1¼ cups confectioners’ sugar
2 teaspoons cornstarch
½ cup heavy cream (or whipping cream)
Directions:
- Preheat the oven to 350°F, and butter and line a 9 inch springform tin.
- Pour the Guinness into a large wide saucepan, add the butter — in spoons or slices — and heat until the butter’s melted, at which time you should whisk in the cocoa and sugar. Beat the sour cream with the eggs and vanilla and then pour into the brown, buttery, beery pan and finally whisk in the flour and baking soda.
- Pour the cake batter into the greased and lined tin and bake for 45 minutes to an hour. Leave to cool completely in the tin on a cooling rack, as it is quite a damp cake.
- When the cake’s cold, sit it on a flat platter or cake stand and get on with the icing. Lightly whip the cream cheese until smooth, sieve over the confectioners’ sugar and cornstarch and then beat to combine.
- If using heavy cream, add it and beat until you have a spreadable consistency. If using whipping cream, whisk first to soft peaks, add a couple of spoonfuls into the cream cheese mixture and once this is combined, fold in the rest.
- Ice the top of the black cake so that it resembles the frothy top of the famous pint.
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