Baileys Brownies!

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Chocolate Chip Baileys Brownies topped with a Chocolate Baileys Frosting – Perfect Chocolate Bake for St Patrick’s Day!


So its St Patrick’s Day in 3 days time, and another Baileys recipe is totally necessary. I thought about making something with Guinness, or anything else, but Baileys is the one for me (and my mum has drunk all the Guinness)

These Brownies are very firmly based on my Triple Chocolate Brownies recipe as its so successful and I’ve had so many delicious variations on it such as my Terry’s Chocolate Orange Brownies that I didn’t want to mess with it. I decided to add in a little Baileys to the actual brownie mix, but I didn’t add too much. I found that if you add far too much, the brownies won’t bake well, or the mixture will split before you carry on… so I settled on 100ml of Baileys.


I did however decide to add something a little extra into this recipe.. a Chocolate Baileys Buttercream Frosting. If you want just a Baileys frosting, not an also chocolatey one, use the recipe from my Baileys Cupcakes. The frosting is light and makes the brownies moister as there is something mushy on it (if that makes sense?) but the brownies are delicious either way.

I find with brownies that they can be a little tricky to bake in an oven that you don’t 100% know. For example, in my old oven.. brownies could take up to 2 hours as my oven was SHOCKING. However, this recipe & my new oven work very well together. My advice is to check the brownies at 25 minutes, but chances are they won’t be quite done.. you can check them with a skewer like a cake, but sometimes they can take quite a bit longer. So don’t be scared – these brownies are worth it.

After the success of my No-Bake Baileys Cheesecake, I know you will all LOVE these.


This recipe makes 16 Delicious Brownies!


For the Brownies
– 195g Unsalted Butter
– 195g Dark Chocolate, chopped ip
– 3 Large Eggs
– 275g Caster Sugar
– 125ml Baileys
– 90g Plain Flour
– 35g Cocoa Powder
– 200g Milk Chocolate Chips

For the Topping
– 135g Unsalted Butter, softened
– 275g Icing Sugar
– 25g Cocoa Powder
– 3tbsp Baileys



1) Preheat your oven to 180C/160C Fan and line a 9″ Square baking tray with parchment paper.

2) Melt together the Butter, and Dark Chocolate in a heatproof bowl over a pan of boiling water, on the microwave for 1-2 minutes until melted. Leave to the side to cool to room temperature!

3) Using an electric whisk/stand mixer, whisk together the Eggs & Caster Sugar for a few minutes until the colour has turned pale, is very mousse like, and is double the original volume of the amount of eggs + sugar! You will know its done because when you lift the whisk up out of the mix it should leave a trail for a couple of seconds before disappearing!

4) When whisked, pour the cooled chocolate mix & Baileys over eggs and fold together carefully. It might take some time, but be patient – you don’t want to knock out the air you made up on the previous step! Sift the cocoa powder and plain flour on top of the chocolate mix and then fold together again – still be careful to not knock out the air!

5) Once combined well, fold through the chocolate chips and pour into the prepared tin – bake in the oven for 25-35 minutes! Once baked, leave to cool in the tin completely.

6) Once cooled, cut the brownies into the portion sizes you want, I made 16 squares – With a stand mixer beat the butter till soft & supple like you would for buttercream (as it is buttercream!) and add the Icing Sugar in 1/3 at a time till combined and beat for about 5 minutes. Whilst beating, beat in the cocoa powder & Baileys and keep beating the frosting for a further few minutes.

7) Pipe on the frosting how you like, and add a few cute sprinkles – enjoy!


Tips and Ideas

I used Normal flavoured Baileys in this recipe, but you could easily use any flavour that you want such as the Chocolate one! Or any other alternative Irish alcoholic cream!

These will last in an airtight container for 1 week, but I very much doubt they will last that long.

You can just slap on the frosting and then cut the squares, but I wanted mine to look neater as they were for a party!



Find my other Brownie & Baileys Recipes on my Recipes Page!

You can find me on:

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About Author

Hiya! I'm Jane, and I adore baking, cooking and all things delicious. I'm also partial to homewares, lifestyle posts and more!


  • Alice
    June 27, 2020 at 3:35 pm

    Hi Jane, I am in the middle of baking these brownies and used 4 medium eggs instead of 3 large. Having a sneaky look during cooking the brownie looks more like a cake without the crackly top. Have I done something wrong? Thank you

  • Lyn
    May 26, 2020 at 5:59 pm

    Hi Jane

    Can i use stoke instead of butter?

    • Jane's Patisserie
      May 26, 2020 at 9:10 pm

      Yes! You can easily use stork or similar for a brownie!

  • Natalie
    December 16, 2019 at 3:15 pm


    I would like to make these brownies with the salted caramel baileys what would you suggest for the topping?

    Thank you for your time 🙂


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