Ruby Red Grapefruit Cosmo
No one has ever turned down my ruby red grapefruit cosmo cocktail. No one! Why? Because the full body of the grapefruit juice combines so nicely with the premium alcohol.

I’ve made these cosmos two different ways. I’ve made them with freshly squeezed grapefruit juice and I’ve made them with store bought juice. Which do I prefer? You may be surprised but I’m going to say store bought.
I know, I know. I’m usually into freshly squeezed, but when I usually serve this ruby red grapefruit cosmo, it is at a dinner party and I want to enjoy my party and I don’t want to be manually squeezing grapefruits all evening. Not only is it time consuming, but it’s costly.
Helpful tips
- If you are going to squeeze your own, make sure you use ruby red grapefruit
- Slice the garnish different ways, experiment with a grapefruit wheel, a wedge or a chunk. You can also use two wheels as that makes for a pretty drink
- If you can’t afford premium ingredients, it’s okay to use mid-level as with the robust flavor of the grapefruit, you won’t notice the difference as much
- Shake vigorously so the ice breaks off in slivers. There is nothing like little ice chips floating in your drink
If you want to save some money and make your own orange liqueur, my friend Laura has an awesome recipe.
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How to make a ruby red grapefruit cosmo
It’s super easy, there are only three ingredients!
Fill cocktail shaker halfway with ice. Get a measuring glass and two martini glasses.
After measuring, pour each ingredient in the shaker.
Step one
Gather the ingredients – vodka, orange liqueur, ruby red grapefruit juice.

Step two
Measure 4 ounces vodka.

Step three
Measure 1 ounce orange liqueur.

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Step four
Measure 6 ounces ruby red grapefruit juice.

Step five
Cut a thin grapefruit wheel and cut off the rind and cut the rind in half. Cut a chunk of grapefruit, remove the rind and throw it away.
Step six
Cap the shaker and shake it for 30 seconds.
Step seven
Strain the grapefruit cosmo between the two glasses. Twist both halves of the rind and place one in each glass. Add the grapefruit wheel to the bigger glass and the chunk of grapefruit to the other.

Vertical shot of this gorgeous grapefruit cosmo.

And an overhead view.

Yum.
I hope you enjoyed this ruby red grapefruit cosmo recipe.
Other popular cosmo recipes
And as always, may all your dishes/drinks be delish!
If you’ve tried this or any other recipe on the blog, I’d love the hear what you thought about it in the comments below. I love hearing from you! You can also FOLLOW ME on FACEBOOK, TWITTER, INSTAGRAM and PINTEREST to see more of my delicious food and delightful cocktails!

Ruby Red Grapefruit Cosmo
Ingredients
- 4 ounces vodka (I used Grey Goose)
- 1 ounce Cointreau (or triple sec)
- 6 ounces ruby red grapefruit juice
Garnish
- 1 grapefruit wheel (rind removed, cut in half for garnish)
- wedge of grapefruit (rind removed)
Instructions
- Fill cocktail shaker 1/2 way with ice
- Add vodka, Cointreau and grapefruit juice
- Cap shaker and shake vigorously for 30 seconds
- Strain grapefruit cosmo between the two glasses
- Ease wheel of grapefruit in one glass and wedge in the other. Twist rinds and place in each glass
- Sip
- Smile
- Enjoy
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Notes
- If you are going to squeeze your own grapefruit, make sure you use ruby red grapefruit
- Slice the garnish different ways, experiment with a grapefruit wheel, a wedge or a chunk
- If you can’t afford premium ingredients, it’s okay to use mid-level as with the robust flavor of the grapefruit, you won’t notice the difference
- Shake vigorously so the ice breaks off in slivers. There is nothing like little ice chips floating in your drink
Nutrition
Originally posted March of 2016.








How can you not love this cosmo?? It looks truly flavorful
Thanks Rahul!
How delightful! I love this grapefruit cocktail.
Thanks Joyce! They are so lovely!
I don’t drink very often, but I had this and it has such a great flavor.
Thanks so much Sandi! 🙂
Yum This was so refreshing! It is 90° here again today, so perfect for this weather!
Thanks Beth! So glad it didn’t get to 90 here in MA!
I love me a good cosmo! And this one is delicious and so pretty!
xoxo Ros
Thanks Ros!
This looks fantastic! Where are these glasses from i NEED them too! Thank you ????
Kara, I got both of the glasses from Crate and Barrel. The one with the big base is more expensive than the other! I love them both and actually have another martini glass from C & B that I have that I use a lot!
Made these many times. I love grapefruit anything. Mmmm. Thanks for sharing.
I’m glad you enjoyed it, Kari! It’s one of my favorites!!
this has become one of my favorite cocktail recipes…the perfect blend….
I am so pleased to hear that! You have made my day Jeannie!
Salt or sugar rim? Or a blend?
For this one, I would do a sugar rim, but I usually don’t garnish the rim. But I know people have used colored sugar before. Thanks for your question Kelly! Cheers.
This was so refreshing! Really enjoyed!!
Thank you, Beth! I appreciate you letting me know.
Can you use Absolute Grapefruit Vodka or would it just be too much?
Yes, Linda. You definitely can. That’s how I used to make the drink before I started making my own grapefruit vodka. Cheers.