Batched 50-50 Martini
Updated April 12, 2024

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Ingredients
- 9ounces dry gin
- 9ounces dry vermouth
- 4½ounces filtered water
- Lemon twists, green olives, olive brine, cocktail onions and orange bitters, for serving
Preparation
- Step 1
Combine the gin, vermouth and water in a spouted measuring cup or pitcher, or a medium bowl. Pour the cocktail blend, using a funnel if needed, into a 750-milliliter bottle; seal, and chill in the refrigerator for at least 2 hours or up to 2 weeks. (You can also freeze the 50-50 martini for several hours before serving.)
- Step 2
To serve, pour 3¾ ounces into a coupe glass and serve immediately with assorted garnishes.
Private Notes
Comments
I see this and think of my dad - who died in 2008 at the age of 84. He loved a 50/50 martini and always had to be clear in his instructions to bartenders. Just this afternoon, as I was picking up the last of the things for Thanksgiving, I thought about making martinis tomorrow to remember him with. Fair warning, a 50/50 martini is an acquired taste so use good gin and good vermouth - there is no hiding bad ingredients in this cocktail.
Use good gin and good vermouth ALWAYS. I have been liking Dolin and The Botanist lately, but good ingredients are a must for all martinis. Otherwise, why drink them?
The key to a great martini is fresh vermouth. Keep vermouth in the refrigerator after opening. Discard after 6-8 weeks. You wouldn't drink wine from an open bottle that has been on the top shelf of a busy, hot bar. Neither would should you use old, spoiled vermouth that has been stored that way.
Learned about Carpano's Antica Formula vermouth when it was used in a Negroni. Transformative. Have yet to give it a go in a Martini, but I tend to prefer Vodka martinis anyway.
I’d never had a 50/50 martini before. Pre made and stored in the freezer to serve as people arrived for a dinner party. These were delicious and so easy. I bought a fresh bottle of vermouth based on other readers’ comments and was very glad I did.
I do the same thing with my vodka tonic. 1/3 vodka/ 1/3 tonic and 1/3 soda. With a lime, of course. Less calories with better taste.
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