"My son ATE the Guinness Cake!!-"
"My son ATE the Guinness Cake!!-" is a medium Irish recipe that serves 12. 420 calories per serving. Recipe by fromscratchbaker on YouTube.
Prep: 30 min | Cook: 45 min | Total: 1 hr 30 min
Cost: $20.31 total, $1.69 per serving
Ingredients
- 2 cups All-Purpose Flour (sifted)
- 3/4 cup Unsweetened Cocoa Powder (high‑quality Dutch‑process)
- 1 tsp Baking Soda
- 1 tsp Baking Powder
- 1/2 tsp Salt (kosher or sea salt)
- 1/2 cup Unsalted Butter (softened, cut into cubes)
- 1 cup Granulated Sugar
- 1/2 cup Brown Sugar (packed)
- 2 Large Eggs (room temperature)
- 2 tsp Vanilla Extract (pure)
- 1 cup Guinness Stout (room temperature)
- 1/2 cup Buttermilk (room temperature)
- 6 oz Dark Chocolate (70% cocoa, chopped)
- 1/2 cup Rum‑Infused Chocolate Chips (optional, for ganache and garnish)
- 1/2 cup Heavy Cream (for ganache)
- 1 tbsp Rum (dark rum, for ganache)
Instructions
Prepare Pans and Oven
Preheat the oven to 350°F (177°C). Grease two 9‑inch round cake pans, line the bottoms with parchment paper, then lightly flour the sides.
Time: PT10M
Temperature: 350°F
Combine Dry Ingredients
In a large mixing bowl, sift together the flour, cocoa powder, baking soda, baking powder, and salt.
Time: PT5M
Cream Butter and Sugars
In another bowl, beat the softened butter, granulated sugar, and brown sugar with an electric hand mixer on medium speed until light and fluffy, about 3‑4 minutes.
Time: PT5M
Add Eggs and Vanilla
Add the eggs one at a time, beating well after each addition, then mix in the vanilla extract.
Time: PT3M
Incorporate Wet Ingredients
With the mixer on low, alternately add the dry‑ingredient mixture and the buttermilk, beginning and ending with the dry mixture. Pour in the Guinness stout and mix until just combined; the batter will be thin.
Time: PT5M
Divide Batter and Bake
Divide the batter evenly between the prepared pans. Smooth the tops with a spatula and bake for 30‑35 minutes, or until a toothpick inserted into the center comes out clean.
Time: PT35M
Temperature: 350°F
Cool Cakes
Allow the cakes to cool in the pans for 10 minutes, then turn them out onto a cooling rack to cool completely before frosting.
Time: PT20M
Prepare Rum‑Chocolate Ganache
In a saucepan, heat the heavy cream over medium heat until it just begins to simmer. Remove from heat and add the chopped dark chocolate and rum‑infused chocolate chips. Let sit 1 minute, then whisk until smooth and glossy.
Time: PT10M
Temperature: medium heat
Assemble and Frost
Place one cake layer on a serving plate. Spread a thin layer of ganache over the top, then place the second layer. Pour the remaining ganache over the top and sides, using a spatula to smooth. Garnish with extra rum‑infused chocolate chips if desired.
Time: PT10M
Rest Before Serving
Allow the assembled cake to set at room temperature for 30 minutes so the ganache firms up, then slice and serve.
Time: PT30M
Nutrition Facts
- Calories
- 420
- Protein
- 5g
- Carbohydrates
- 48g
- Fat
- 22g
- Fiber
- 3g
Dietary info: vegetarian
Allergens: gluten, dairy, eggs, soy
Last updated: April 17, 2026








