I never knew what to answer when asked: “what’s your favorite dessert?”. Now I do – it’s this cake.
I’ve taken my grandmother’s original Molasses Cake recipe, swapped the coffee for Guinness and added a vanilla cream cheese frosting.
Eat it hot or chilled.
Guinness and Molasses Cake
- Total Time: 60 minutes
- Yield: 8 servings 1x
Description
This Guinness and Molasses Cake, adapted from a traditional recipe, features the rich flavors of stout and molasses, topped with a creamy vanilla cream cheese frosting.
Ingredients
Units
Scale
- 2 cups (5dl) white flour
- 1 cup (2.5dl) Guinness
- 1 cup (2.5dl) molasses
- 1/2 cup (1.25dl) sugar
- 1/3 cup (0.8dl) unsalted butter, softened
- 1 egg
- 2 teaspoons cinnamon
- 1 teaspoon baking soda
- A pinch of salt
- Vanilla cream cheese frosting (optional, for serving)
Instructions
- Preheat the oven to 350°F (175°C).
- Mix the baking soda into the Guinness and let it rest for 5 minutes.
- In a large bowl, whisk together the softened butter and sugar until smooth and creamy.
- Add the Guinness mixture, molasses, egg, cinnamon, and a pinch of salt to the butter and sugar mixture. Mix until well combined.
- Sift in the flour and gently fold it into the wet ingredients until just combined.
- Pour the batter into a greased cake pan.
- Bake in the preheated oven for 40 minutes, or until a toothpick inserted into the center comes out clean.
- Allow the cake to cool in the pan for 10 minutes before transferring it to a wire rack to cool completely.
- Once cooled, optionally frost with vanilla cream cheese frosting before serving.
Notes
This cake can be enjoyed warm or chilled. For a different flavor profile, consider swapping the Guinness with a different stout or even coffee. Store leftovers in an airtight container in the refrigerator for up to 3 days. The cake pairs well with a scoop of vanilla ice cream.
- Prep Time: 20 minutes
- Cook Time: 40 minutes
- Category: Dessert
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 350
- Sugar: 30
- Sodium: 150
- Fat: 12
- Carbohydrates: 55
- Fiber: 1
- Protein: 4
- Cholesterol: 40


This looks really good, and I will definitely be trying it. I love the idea of the molasses with the cream cheese icing. Thanks for sharing!
this cake look great, love the flavors