Guinness Chocolate Brownies

Guinness chocolate brownies

Happy St Patrick’s Day! These delicious moist Guinness chocolate brownies are the perfect way to celebrate the day. After all, Guinness is the worldwide drink of choice to celebrate Irish culture and get rather merry along the way! The addition of Guinness to these brownies intensifies the flavour and makes them super gooey. Plus, they are so easy to prepare, which makes them perfect for a party, an after dinner treat tonight, or anytime!

I started making the Guinness chocolate brownies by melting dark chocolate, butter and Guinness in a pan on a low heat until glossy and smooth.

I let the mixture cool slightly, then poured it into a bowl and mixed in light brown sugar and eggs.

Finally I added plain flour and mixed in. I poured the mixture into a lined square baking tin and baked on 180C/350F/Gas Mark 4 for 25 minutes.

When the Guinness chocolate brownies were ready I left them to cool…but not for long! I soon sliced in and enjoyed a delicious warm brownie. I highly recommend eating these warm! They would be amazing with ice cream.

Guinness chocolate brownies

As the theme for myself and Cakeyboi‘s monthly baking challenge Treat Petite is Ireland this month, I am entering these gorgeous moist brownies made with a classic Irish tipple!

Guinness Chocolate Brownies


  • 225 g Dark chocolate
  • 75 g Butter
  • 200 ml Guinness
  • 300 g Light brown sugar
  • 3 Eggs
  • 100 g Plain flour


  1. Pre-heat your oven to 160C Fan/180C/350F/Gas Mark 4. Line a traybake tin with baking paper

  2. Melt the dark chocolate, butter and Guinness in a pan on a low heat until glossy and smooth

  3. Let the mixture cool slightly, then pour it into a bowl and mix in the light brown sugar and eggs

  4. Add the plain flour and mix in

  5. Pour the mixture into the baking tin and bake for 25 minutes

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8 comments / Add your comment below

  1. I love the idea of Guinness brownies. Bet they taste yum. Unfortunately Guinness is off our menu on account of the malted barley……. Darn!!!

  2. Chocolate & stout are two favourites of mine. Coupled with brownies and you have a winning recipe! Ever tried them as a base for bread before. Equally tasty!

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