Bourbon Grapefruit Cocktail is a strong and boozy cocktail guaranteed to get the party started. Sweet, tart, and incredibly refreshing!
Grapefruit and bourbon — together, forever, amen!
This gem of a cocktail is fresh and fruity, tart and oaky, strong and boozy. It’s everything you want in a summer cocktail. In fact, it’s one of our most popular summer recipes.

Two will have you feeling heady. Three will have you happy as a pig in… you know the rest.
I can’t take credit full credit for this bourbon grapefruit cocktail. There’s this local joint a few minutes from our house that I frequent when I want fresh oysters, damn tasty food, and a good, stiff drink.
If you live in or visit Baltimore, check out Lib’s Grill. You won’t regret it!

I tend to gravitate to the cocktail portion of the menu, specifically the cocktails that feature bourbon — my favorite of all the booze. As I was reviewing their cocktail offerings, I came across the bourbon grapefruit.
It was a combination of fresh squeezed grapefruit juice, rye whiskey, a splash of simple syrup to tame the tart, and it was finished with some bubbly ginger beer and a squeeze of lemon.
It was the perfect blend of sweet and tart, and I fell in love instantly.

It took me a few shakes to create my version at home, which I’ve modified in several key ways (including substituting out the ginger beer).
Now I get to enjoy the deliciously boozy cocktail in the comforts of my own home for a fraction of the cost. Booze tastes so much better when you don’t have to spend a mini-fortune.
You may also like: our favorite winter and Christmas bourbon cocktails roundup.
In my version, I swapped out the ginger beer for some bubbly club soda and used the leftover honey rosemary simple syrup I used to sweeten my Lillet Spritzer with Honey and Rosemary.

I’ve also made this cocktail using regular, unflavored simple syrup, and when I’m desperate and don’t have any simple syrup in the fridge, I resort to a teaspoon of turbinado sugar (stirred in so it disintegrates).
In other words, no excuses for not enjoying this cocktail. Okay?
Ingredients
Get your hands on these simple ingredients to make this recipe:
- Bourbon
- Grapefruit Juice
- Lemon Juice
- Simple Syrup
- Club Soda
- Grapefruit
That’s it! And the grapefruit juice can come from the grapefruit. Even easier.
Directions
This recipe is SO EASY! You really can’t mess it up.
- Add bourbon, grapefruit juice, lemon juice, and simple syrup to a cocktail shaker. Add a handful of ice and shake vigorously for 20 seconds.
- Transfer to a rocks glass filled with ice and top with club soda.
- Garnish with a grapefruit slice.
Seriously, we’re already done. Good work!
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Bourbon Grapefruit Cocktail Recipe
Equipment
- Cocktail shaker
- Rocks glass
Ingredients
- 2 ounces Bourbon
- 2 1/2 ounces Fresh Squeezed Grapefruit Juice
- squeeze of Lemon Juice
- 1/2 ounce Simple Syrup
- 1 1/2 ounces Club Soda
- slice of Grapefruit For garnish
Instructions
- Add bourbon, grapefruit juice, lemon juice, and simple syrup to a cocktail shaker. Add a handful of ice and shake vigorously for 20 seconds.
- Transfer to a rocks glass filled with ice and top with club soda.
- Garnish with a grapefruit slice.