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Irish Onion Soup Recipe

Irish Onion Soup Is a St. Patrick's Day Must Make

You're probably scratching your head wondering why this picture, which looks strangely like French onion soup, is labeled Irish onion soup. Well, let me explain. It's a jazzed-up variation of the classic onion- and bread-topped soup that uses two important Irish ingredients: Guinness and aged cheddar cheese.

It has the same flavors as the traditional rendition, but the beer provides a delicious complexity, and the cheese adds a delicate nuttiness. It's so good that it might just be my new favorite French onion soup recipe!

I highly recommend you serve it tonight or on St. Patrick's Day.

Guinness and Onion Soup With Irish Cheddar Crouton

Guinness and Onion Soup With Irish Cheddar Crouton

Irish Onion Soup Recipe 2011-03-10 16:18:06


2 tablespoons extra-virgin olive oil
5 cloves garlic, minced
3 large onions, thinly sliced with the grain
1 tablespoon fresh (or 1 teaspoon dried) thyme leaves
1/4 cup sherry vinegar
2 11.2-ounce bottles stout beer, such as Guinness
6 cups beef broth
1 baguette, cut into 1/2-inch-thick slices
1/2 pound Irish cheddar, such as Kerrygold Kilaree, thinly sliced


  1. In a large skillet, heat olive oil over high heat. Add garlic and cook 2 minutes. Add onions and cook for 40 minutes, stirring occasionally, until the onions are golden brown. Stir in thyme, vinegar, and beer. Cook until beer reduces by half. Pour in beef stock. Bring to a simmer and cook for 10 more minutes.
  2. Preheat broiler oven setting. Ladle soup into individual ovenproof soup bowls. Top with bread slices and sliced cheddar. Broil until cheese melts and begins to brown. Serve piping hot.
Image Source: POPSUGAR Photography / Anna Monette Roberts
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Join The Conversation
Faeriej Faeriej 5 years
However, vegetarians want to be sure NOT to use Guiness as it is filtered with fish bladders...sometimes ingredients we think of as not being animal derived still have animal fallout.
Never4gotten118 Never4gotten118 5 years
I made this tonight for my boyfriends family and they LOVED it. I'll probably make it again next year. Thanks!!
fuzzles fuzzles 5 years
Susannah-Chen Susannah-Chen 5 years
Agreed--looks amazing.
Katie-Sweeney Katie-Sweeney 5 years
Oh gray salt is what Michael Chairello always uses. It's just a fancy salt. I used regular salt and it was fine!
lauren lauren 5 years
Oh YUM! This looks really tasty, I might make it tomorrow too good to resist!
Scarlet129 Scarlet129 5 years
What is Gray salt?
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