Coconut Water Electrolyte Slush
By Marty Cole Β· March 21, 2026
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After a brutal Saturday softball game I wanted something cold that wasn't pure sugar, so I ran coconut water with a little pineapple juice and simple syrup through the Ninja Slushi. This Coconut Water Electrolyte Slush is lighter than the soda ones, kind of clean-tasting, and it actually helped after sweating through my jersey. My buddy Marcus called it "the responsible slush," which stuck. Keep a little simple syrup in there. Coconut water alone barely has the sugar to freeze, so a touch of sweetener is what gives it that slushy body instead of a slurry.
Your machine size
Slushi 64 oz (Standard) Β· quantities scaled Γ1
Ingredients
- Cold Coconut Water40 oz
- Cold Pineapple Juice8 oz
- Simple Syrup2 oz
- Lime Wedgeoptional1 garnish
Makes ~50 oz
Directions
- 1Mix the coconut water and pineapple juice in a pitcher.
- 2Stir in the simple syrup so it has enough sugar to freeze properly.
- 3Pour the mixture into the Slushi vessel below the fill line.
- 4Close the lid and choose the SLUSH preset.
- 5Run it until the drink turns into a light slush, about 30 minutes.
- 6Serve with a lime wedge for a hydrating cooler.
Tips
- Pour your coconut water and pineapple juice directly into the Slushi bowl straight from the fridge, so they're as cold as possible when the machine starts churning.
- If your slush turns out too thick to scoop after 45 minutes, run a warm spatula under hot water and drag it across the mixture a few times to break up the ice crystals.
- Taste the simple syrup ratio before pouring into the machine, since the sweetness will feel muted once everything freezes, and you can't adjust it mid-churn.
- Fill the bowl only three-quarters full so the churning mechanism has room to work without splashing liquid over the sides.
Variations
- Swap half the pineapple juice for fresh lime juice and add a tablespoon of shredded coconut to the liquid base for a piΓ±a colada slush.
- Use mango juice instead of pineapple juice and add a pinch of ground ginger to the simple syrup before pouring for a tropical twist.
- Replace half the coconut water with cold sparkling water to make the slush lighter and more refreshing, then increase the simple syrup slightly since the bubbles dilute sweetness.
FAQ
- Can I use juice from a carton that's been sitting on the shelf, or does it have to be fresh?
- Shelf-stable juice works fine, but you still need to chill it in the fridge for at least a few hours before pouring into the machine. Cold liquid is key to the freezing process.
- My slush came out grainy instead of smooth. What went wrong?
- The most common cause is liquid that wasn't cold enough when you started, or the machine didn't churn long enough. Let it run for the full 45-60 minutes if the texture feels icy rather than creamy.
- Can I make this less sweet or skip the simple syrup entirely?
- You can reduce the simple syrup by a quarter, but skipping it altogether will leave the slush tasting watered down and icy. A little sugar helps the texture freeze properly.
- How long does the slush keep in the freezer once it's made?
- Once dispensed, transfer it to an airtight freezer container and use within 2-3 days. It'll get harder and grainier over time, so it's best eaten fresh right from the machine.
Nutrition
Per serving Β· makes about 2 servings Β· estimated
Ratings & Reviews
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Meet Marty Cole
I'm a home cook who got a little obsessed with the Ninja Slushi and Creami. I test every recipe in my own kitchen on a real machine, dial in the texture, and only post the ones my family actually finishes.
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