Do I need an ice cream maker?
Nope. Freezing the watermelon first is the no-churn hack. A blender or food processor does the heavy lifting.
Why is my sorbet icy?
Most often it is not enough dissolved sugar (or other solids), which lets big ice crystals form and makes everything freeze harder. A few other things can stack the odds against you too, like a very watery melon or a long, hard freeze.
Fix it: Add 1 to 2 teaspoons honey or simple syrup at a time, blend again, and refreeze. Sugar lowers the freezing point and helps the texture go from “ice gravel” to scoopable.
Can I use bottled lime juice?
You can, but fresh lime tastes cleaner and brighter here. If bottled is what you have, start with less and adjust to taste.
How do I make it sweeter without making it heavy?
Use simple syrup (equal parts sugar and water, dissolved and chilled). It blends in fast, sweetens evenly, and also helps the sorbet stay smoother than adding straight granulated sugar. Honey also works and adds a floral note.
Can I make it dairy-free and vegan?
It already is, as long as you use sugar or simple syrup instead of honey.
What if my watermelon is not very flavorful?
Add a little more lime zest, a slightly bigger pinch of salt, and consider blending in a handful of strawberries. Watermelon sometimes needs a friend.
My watermelon is super juicy. Any tips?
Yep. If the melon is basically dripping, spread the cubes on a towel for a minute or give them a quick blot before freezing. You are not trying to dry them out, just knocking off excess surface juice so the blend stays thick instead of slushy.
Does vodka really help?
A little alcohol lowers the freezing point, which can help it stay scoopable. One tablespoon is subtle but can take the edge off the deep-freeze. You can go up to 2 tablespoons for a full batch, but more than that and it may not set nicely.