St. Patrick's Day Treat: Just 4 ingredients. I make this when I want a rich, dark dessert that tastes like it came from a bakery but takes almost no work to prepare.
This 4-ingredient slow cooker stout cake is my go-to St. Patrick’s Day treat when I want something that tastes like it came from a bakery but I don’t have the time (or energy) for fussy baking. The dark stout beer gives the cake a deep, rich flavor and a wonderfully moist, almost pudding-like texture, while a simple chocolate cake mix keeps things easy and budget-friendly. It’s the kind of dessert you can stir together in just a few minutes, let it simmer away in the slow cooker, and end up with a warm, steamy, chocolatey cake that makes the whole house smell amazing.
Serve this slow cooker stout cake warm, scooped straight from the crock into bowls so you can really enjoy that steamy, moist texture. It pairs beautifully with a scoop of vanilla ice cream, a dollop of whipped cream, or even just a splash of cold heavy cream over the top. For St. Patrick’s Day, I like to pour small glasses of the same stout alongside for the adults and cold milk for the kids. A handful of fresh berries on the side can brighten up the plate, and if you’re serving a crowd, this cake makes a cozy finish after a simple supper of stew or shepherd’s pie.
4-Ingredient Slow Cooker Stout Cake
Servings: 8
Ingredients
1 box (about 15.25 oz) chocolate cake mix 1 cup dark stout beer (such as Guinness or any rich, dark stout) 1/2 cup sour cream 1/3 cup vegetable oil
Directions
Spray the inside of a 4- to 6-quart slow cooker with nonstick cooking spray, or lightly grease it with butter or oil to help the cake release and prevent sticking.
In a large mixing bowl, add the dry chocolate cake mix, dark stout beer, sour cream, and vegetable oil.
Whisk or stir the mixture together until the batter is mostly smooth and thick, scraping down the sides and bottom of the bowl so no dry cake mix remains. A few small lumps are fine.
Pour the batter into the prepared slow cooker, spreading it out evenly with a spatula so it reaches the edges in an even layer.
Place a clean kitchen towel or a layer of paper towels over the top of the slow cooker crock, then set the lid on top. This helps catch excess steam so the cake stays moist but not soggy.
Cook on LOW for 2 1/2 to 3 1/2 hours, or until the cake is puffed, the edges look set, and a toothpick inserted into the center comes out with moist crumbs but not wet batter. Try not to open the lid during the first 2 hours so the heat stays consistent.
Once done, turn off the slow cooker and let the cake sit, covered, for about 10 minutes to finish steaming and firming up. The surface should look dark, moist, and slightly glossy, with steam rising when you lift the lid.
Serve the cake warm by spooning it directly from the slow cooker into bowls. If you’d like cleaner slices, let it cool another 20–30 minutes before cutting and lifting out pieces with a spatula.
Variations & Tips
For kids or anyone avoiding alcohol, you can swap the stout for 1 cup of strong brewed coffee or cola; you’ll still get a deep, moist cake with that same cozy, bakery-style feel. If your family prefers a slightly sweeter, more classic chocolate flavor, choose a milk chocolate or devil’s food cake mix. For extra richness, stir in a small handful of chocolate chips (about 1/2 cup) after the batter is mixed, keeping in mind this technically adds a fifth ingredient but can be fun for special occasions. If you have picky eaters who don’t like the idea of stout, don’t mention it until after they’ve tried it—the beer flavor mostly bakes out and just leaves a deep chocolate taste. To dress it up for St. Patrick’s Day, serve with a scoop of mint chip or Irish cream–flavored ice cream. Leftovers keep well covered in the fridge for up to 3 days; rewarm individual portions in the microwave for 15–20 seconds to bring back that steamy, just-cooked texture.
