Guinness Chocolate Cake

Guinness Chocolate Cake

🥘 Ingredients

  • Guinness Draught Stout
    2 bottles
  • all-purpose flour
    1.75 c
  • baking powder
    1 tsp
  • baking soda
    2 tsp
  • buttermilk
    1/2 c
  • confectioners’ sugar
    3.5 c
  • espresso powder
    2 tsp
  • full-fat brick cream cheese
    8 oz
  • full-fat sour cream
    3/4 c
  • granulated sugar
    1.75 c
  • large eggs
    2
  • pure vanilla extract
    3 tsp
  • reduced Guinness
    2 Tbsp
  • salt
    1 tsp
  • unsalted butter
    1/2 c
  • unsweetened cocoa powder
    1/2 c
  • unsweetened natural cocoa powder
    3/4 c
  • vegetable or canola oil
    1/2 c

🍳 Cookware

  • saucepan
  • cake pans
  • parchment paper
  • bowl
  • stand mixer
  • stand mixer
  1. 1
    Pour both bottles of Guinness Draught Stout (11.2–12 oz each) into a large saucepan . Bring to a boil over medium-high heat. Once boiling, reduce to medium-low and simmer for about ⏱️ 30 minutes until it reduces to approximately 3/4 cup (180ml). Set aside to cool slightly. Note: You will use 1/2 cup for the cake batter and reserve the rest for the frosting.
    Guinness Draught Stout: 2 bottles
  2. 2
    Preheat oven to 350°F (177°C). Grease two 9-inch cake pans , line with parchment paper , and grease the parchment.
  3. 3
    In a large bowl , whisk all-purpose flour (219g), unsweetened natural cocoa powder (62g), granulated sugar (350g), baking soda , baking powder , salt , and espresso powder (optional) until combined.
    all-purpose flour: 1.75 c, unsweetened natural cocoa powder: 3/4 c, granulated sugar: 1.75 c, baking soda: 2 tsp, baking powder: 1 tsp, salt: 1 tsp, espresso powder: 2 tsp
  4. 4
    In a separate bowl (or stand mixer ), whisk vegetable or canola oil (120ml), full-fat sour cream (180g) (room temperature), large eggs (room temperature), and pure vanilla extract until combined. Mix in buttermilk (120ml) (room temperature).
    vegetable or canola oil: 1/2 c, full-fat sour cream: 3/4 c, large eggs: 2, pure vanilla extract: 2 tsp, buttermilk: 1/2 c
  5. 5
    Pour the wet ingredients into the dry. Give it a quick whisk, then add 1/2 cup of the hot reduced Guinness. Mix on low speed until just combined. The batter will be very thin.
  6. 6
    Divide the batter evenly between the two pans. Bake for 28 to ⏱️ 32 minutes or until a toothpick inserted into the center comes out clean.
  7. 7
    Allow cakes to cool completely in the pans before frosting.
  8. 8
    To make the frosting, beat softened full-fat brick cream cheese (224g) and softened unsalted butter (115g) together on medium-high speed in a stand mixer until smooth (about ⏱️ 2 minutes ).
    full-fat brick cream cheese: 8 oz, unsalted butter: 1/2 c
  9. 9
    Add confectioners’ sugar (420g), unsweetened cocoa powder (41g), 2 tablespoons of the reserved reduced Guinness , and pure vanilla extract .
    confectioners’ sugar: 3.5 c, unsweetened cocoa powder: 1/2 c, reduced Guinness: 2 Tbsp, pure vanilla extract: 1 tsp
  10. 10
    Beat on low for 30 seconds, then switch to high and beat for full ⏱️ 2 minutes until light and creamy. If it's too thin, add more sugar; if too thick, add the remaining tablespoon of Guinness.
  11. 11
    Place one cake layer on a stand, cover with frosting, top with the second layer, and frost the top and sides.