Ninja Creami Watermelon Cooler Sorbet

Quick answer

Blend 2 cups of watermelon juice and pulp with Greek yogurt, lime juice, mint, sweetener and a pinch of salt until the mint is flecked through, freeze the pint for a full 24 hours, then spin on Sorbet and re-spin once with a tablespoon of water if it looks icy. The pint carries roughly 10 g of protein from label values, about 2 to 3 g per serving across 4 servings.

A glass of slushy pink watermelon cooler sorbet with fresh mint on top, beside watermelon slices on a light table

Ninja Creami Watermelon Cooler Sorbet is the most refreshing pint in the book. It is just watermelon, a little Greek yogurt, lime juice, fresh mint, sweetener and a pinch of salt, blended smooth, frozen solid and spun into a slushy soft sorbet. Watermelon, lime and mint, cold and pink and gone in minutes, because watermelon sorbet melts fast and that is part of the charm.

Why you’ll love it

  • Tastes like pure summer watermelon, cold and refreshing, not like a diet dessert.
  • Lighter protein, about 2 to 3 g per serving from label values, about 10 g per pint.
  • Five minutes of hands-on work, then the freezer and the machine do the rest.
  • Spins slushy soft, with one re-spin smoothing out any iciness.
  • The salt and mint trick makes watermelon taste more like watermelon.

Ingredient notes

Watermelon: the whole pint, so pick a good one. Seedless chunks blend down to about 2 cups of juice and pulp for one pint, and you should measure that, not guess it. A sweet, ripe melon needs barely any sweetener, while a pale melon needs the full tablespoon.

Greek yogurt: optional, but it earns its place. Half a cup adds body and about 12 g of protein per pint from standard labels, and it turns the sorbet from granita thin to soft and spoonable. Leave it out if you want a pure watermelon ice.

Lime juice: one tablespoon, and it lifts the whole pint. Lime keeps the watermelon from tasting flat and one note, especially with a very sweet melon.

Mint: four to five fresh leaves, blended just until flecked through. Mint is a background note here, not the flavor, and doubling it takes over the whole pint.

Salt: the non-negotiable pinch. Salt makes watermelon taste more like watermelon, not more salty, and skipping it leaves the sorbet tasting like sweet pink ice.

The freeze and spin rule that makes or breaks it

Two rules decide this pint, and both are about patience. First, freeze for a full 24 hours on a level surface, with the top smoothed flat. Watermelon is mostly water, so a short freeze gives an uneven, slushy spin. Second, do not judge the first spin. Watermelon bases often look icy after the first cycle, and that icy look sends a lot of people to the conclusion that the recipe failed. It did not. One tablespoon of water and one re-spin smooths it into a slushy soft sorbet. Then serve immediately, bowls ready before you spin, because watermelon sorbet melts faster than any dairy pint.

Variations

  • Watermelon lime pops: skip the yogurt and serve the sorbet straight after the re-spin for a granita style cooler, with an extra squeeze of lime over each glass.
  • Watermelon berry: blend in a handful of raspberries with the watermelon for a deeper pink color and a sharper berry edge.
  • Watermelon mint cooler: double the mint to eight leaves and serve in tall glasses with a splash of sparkling water for a drinkable cooler version.
  • Watermelon feta: serve each bowl with a small crumble of feta on top for a sweet and salty summer combination that works surprisingly well cold.

What we learned testing it

  • Salt made the difference. The unsalted pint tasted like sweet pink ice, while the salted pint tasted unmistakably like watermelon.
  • Greek yogurt added body without hiding the watermelon. The no-yogurt pint spun thinner and more granita-like, while the yogurt pint spooned like a soft sorbet.
  • Mint amount mattered. Four to five leaves gave a fresh background note, but eight leaves took over and turned the pint into mint sorbet with watermelon in it.

Read how we test recipes.

Ninja Creami Watermelon Cooler Sorbet

Makes 1 pint (about 4 servings) · 24 hr 10 min total · Easy

Ingredients

Equipment

Blender · Ninja Creami machine · Ninja Creami pint container with lid

Instructions

  1. Blend the watermelon and measure the base

    Blend the watermelon chunks alone first and measure: you want 2 cups of juice and pulp for one pint, and you can drink any extra. Add the Greek yogurt, lime juice, mint leaves, sweetener and salt, then blend 20 seconds more, just until the mint is flecked through the pink base.

    Blending the pink watermelon cooler sorbet base in a blender, with watermelon chunks and fresh mint beside it
  2. Pour into the pint and freeze for 24 hours

    Pour the base into your Ninja Creami pint container, staying below the max fill line. Smooth the top with a spoon so it freezes level, which helps the machine spin evenly. Snap on the lid and freeze the pint on a level surface for a full 24 hours. Watermelon is mostly water, so the full freeze matters here.

    Pouring the pink watermelon sorbet base from a blender jug into a Ninja Creami pint container
  3. Spin on Sorbet, then re-spin if icy

    Take the pint straight from the freezer, remove the lid and load it into the machine. Select the Sorbet setting and let it run the full cycle. If the pint looks icy after the first spin, add 1 tablespoon of water and press Re-spin once. Watermelon sorbet spins slushy soft, not dense, and that is exactly right.

    The frozen watermelon cooler pint loaded into a countertop Ninja Creami machine, ready to spin on Sorbet
  4. Scoop and serve right away

    Scoop into bowls or small glasses immediately. Watermelon sorbet melts fast, and that is part of the charm, so serve it the moment it leaves the machine, with a mint leaf on top if you like.

    Scooping slushy pink watermelon cooler sorbet from the pint into a small glass with fresh mint on top

Notes

  • The pinch of salt is non-negotiable. It makes watermelon taste more like watermelon, not more salty, and skipping it leaves the sorbet tasting flat and watery.
  • Measure the watermelon base. You want exactly 2 cups of juice and pulp for one pint. Too much liquid and the pint overflows the fill line, too little and the spin comes out thin.
  • Serve immediately. Watermelon sorbet melts faster than any dairy pint, so have your bowls ready before you spin.
  • If your freezer runs very cold and the pint is too firm to load, let it rest on the counter for 2 to 3 minutes before spinning, no longer.

Nutrition per serving

Nutrition information is being calculated.

Recipe by Emily Carter

Substitutions

Greek yogurt
Leave it out for a pure watermelon granita style sorbet. The pint will be thinner and icier, but also more intensely watermelon flavored.
Honey
Use granulated sweetener or sugar instead at the same amount. Honey adds a floral note that suits watermelon, but plain sweetener keeps the flavor cleaner.
Fresh mint
Use 1/4 teaspoon of dried mint instead, or skip the mint entirely for a pure watermelon and lime sorbet. The mint is a background note, not the point.

Storage and make-ahead

The texture is at its best in the first few minutes after spinning, and watermelon sorbet melts faster than any other pint in this book. If you have leftovers, smooth the surface flat, put the lid back on and refreeze. Re-spin leftovers straight from the freezer on Sorbet, adding a tablespoon of water if they look icy. Eat refrozen leftovers within 3 days for the best texture.

Frequently asked questions

Is this ninja creami watermelon sorbet high in protein?

No, and I will not pretend otherwise. This is a lighter protein sorbet, with roughly 10 g of protein per pint from the Greek yogurt labels, about 2 to 3 g per serving across 4 servings. It is a refreshing fruit dessert, not a protein pint.

Why is my watermelon sorbet icy after the first spin?

Watermelon is mostly water, so a little iciness is normal. Add 1 tablespoon of water and press Re-spin once. The yogurt version also spins smoother than the no-yogurt version.

Why does the recipe need salt?

The pinch of salt is non-negotiable. It makes watermelon taste more like watermelon, not more salty. Without it the sorbet tastes flat and watery.

Can I make it without the yogurt?

Yes. Leave the yogurt out for a pure watermelon granita style sorbet. It will be thinner and icier, but also more intensely watermelon flavored.

Can I refreeze and re-spin the leftovers?

Yes. Smooth the surface flat, lid the pint and refreeze it. Spin leftovers straight from the freezer on Sorbet, with a tablespoon of water if they look icy. The texture is best within 3 days, and serve immediately since it melts fast.

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