By This high protein watermelon sorbet is everything I want on a hot day after or to fuel a workout: bright, a touch of sweetness, and so cold and refreshing it basically resets the whole afternoon. Five ingredients, one blender, 8g of protein per serving, and not a scoop of protein powder anywhere!
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Here's the funny backstory. My go-to pre-workout snack used to be an apple, until I figured out (with a little help from a dietitian) that all that fiber was wrecking my stomach mid-workout. Watermelon turned out to be the fix: low fiber, easy on the gut, and full of water and electrolytes. One thing led to another, and this sorbet is what came out of it.
If you love a frozen treat that pulls its weight on protein, you're in good company with my cottage cheese ice cream and Greek yogurt ice cream. This one is the lightest of the three, and the fastest!
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why this one actually makes sense after a workout
Most sorbet is fruit and sugar, which is great, but this version does double duty. Watermelon is around 92% water, so it rehydrates you, and it's naturally low in fiber, which is exactly what makes it sit easy when your stomach is getting tossed around during a workout. The cottage cheese and Greek yogurt are where it gets interesting: they add protein, a little natural sodium, and probiotics, so you're getting real recovery fuel and not just sugar.
As a NASM-certified nutrition coach, this is the kind of swap I get excited about! Whole food doing the job people usually reach for a powder or a neon sports drink to do, and it tastes like a frozen slice of summer.
key ingredients & swaps
All substitutions are a 1:1 substitute unless otherwise noted. See the recipe card for quantities.
- Frozen watermelon: Freezing the cubes first is the whole trick. Cut a seedless watermelon into chunks and freeze them solid (overnight is best). Pre-cut frozen watermelon from the freezer aisle works too if you want to skip the chopping. Or just scoop out the meat to save the rind to use as a bowl.
- Cottage cheese: This brings most of the protein and a creamy richness that keeps the sorbet from tasting icy. Any fat level works; full fat is the creamiest. Blend it a full 2 to 3 minutes so no curds survive. Got leftovers? They're great in a strawberry cottage cheese smoothie.
- Greek yogurt: Plain is best! Adds some probiotics and protein. Whole milk is creamiest, but any fat level is fine here.
- Lime juice: Keeps the whole thing from tasting flat. Lemon works in a pinch.
- Agave or honey: Watermelon is already sweet, so start with less than you think and taste as you go. I'd rather you add a second drizzle than wish you could take it back.
This recipe has not been tested with other substitutions or variations. If you replace or add any ingredients, please let us know how it turned out in the comments below!
serving it in a watermelon bowl
Totally optional, totally worth it. Cut a small watermelon in half, scoop out the flesh to use in the sorbet (or save some for snacking), and keep the hollowed rind halves in the freezer. Once everything is blended, scoop the sorbet straight back into the cold rind.
The frozen rind acts like a natural bowl and keeps the sorbet from melting while you serve or take photos, and it looks about ten times better than a regular bowl. If you've got people over, it's 30 seconds of extra effort for a pretty big payoff.
step by step: tips to nail this recipe every time
- Freeze the watermelon solid first. Fresh watermelon blends into juice, not sorbet. You want the cubes frozen all the way through, so give them at least 4 hours, or overnight.
- Blend longer than feels necessary. The cottage cheese needs a full 2 to 3 minutes to go completely smooth. Stop, scrape the sides, taste. If you feel any graininess, keep going. Underblended cottage cheese is the number one reason a frozen treat turns out gritty. The sorbet may begin to liquify with the heat of the food processor or blender - totally fine, the second freeze takes care of this!
- Don't drown it in liquid. Resist the urge to add water or extra juice to help it blend. Scrape the sides and be patient instead, since extra liquid is what makes it icy. A tamper or a high-speed blender earns its keep here.
- Freeze to set, but don't forget about it. Straight from the blender, it's soft-serve soft or more smoothie-like. About an hour in the freezer firms it to a proper scoop; just give it a stir halfway through. Much longer than that and it freezes hard and icy, so this is a make-it-when-you-want-it treat, not a stash-in-the-freezer one.
quick recipe video
troubleshooting
It's too sweet (or not sweet enough). Watermelon swings a lot in sweetness depending on the melon. Taste before it sets and adjust: a little more agave if it's flat, a squeeze more lime should do the trick.
It's too soft after 30 minutes. Your freezer might run warm, or blending warmed the mix. Give it another 20 to 30 minutes. Need it firmer for serving? Freeze up to an hour, then let it sit out 5 minutes before scooping.
Want more frozen protein treats for the summer? Don't miss my Greek yogurt ice cream, and if you've got a tub of yogurt to use up, here's a whole roundup of high protein Greek yogurt desserts.
Recipe
Watermelon Sorbet
Ingredients
- 5 cups watermelon (frozen)
- ¾ cup cottage cheese (4% fat recommended)
- ½ cup Greek yogurt
- 2 tablespoon lime juice
- ½ cup agave (or honey)
Before you start!
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Instructions
- Add all the ingredients to a blender and blend until smooth. It may turn more smoothie like but thats ok!If you want to serve this in the watermelon rind, scoop out the meat and freeze the watermelon chunks but save the rind in the fridge or freezer until ready to use.
- Scoop into a watermelon rind or freezer-safe container. Freeze for 25 minutes to an hour and then enjoy!
Video
Notes
Looking for more information?
Additional substitution information can be found above in the substitution section of this post.
Nutrition Disclaimer
Nutritional information is an estimate and for informational purposes only.
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