Kitchen Tested: The Drunken Leprechaun

guinness float, easy st patricks day cocktail recipe

A quick recipe for St. Patrick’s Day! These are the fastest “cocktails” you’ll ever make. (Is a beer float a cocktail??)

Why it works:

Well, in my brain, ice cream makes everything better. So there’s that. 🙂

Guinness is a dry stout, and in all honesty I should have used a milk stout for these floats. Milk stouts contain lactose (the primary sugar in milk), which doesn’t convert to alcohol during fermentation by beer-making yeast. The resulting “milk stout” has a sweeter flavor and fuller body than a dry stout like traditional Guinness, which would have been a nice complement to creamy, premium ice cream. However, it’s St. Patrick’s Day, and today Guinness rules the roost! If you try this with a milk stout, let me know how it turns out!

Guinness Floats: The Drunken Leprechaun

  • Servings: who's counting
  • Difficulty: super easy
  • Print

The best way to drink beer. 🙂


  • Good vanilla ice cream
  • Guinness beer, cold
  • Cold glass or beer mug


  1. Add vanilla ice cream to a cold glass.
  2. Pour Guinness beer over the ice cream
  3. Enjoy!

For more on the science behind beer, check out “Wassuuup with Beer: Factors that Affect the Quality of Your Brew.” 

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