Alcohol lowers the freezing point, which is why a bar-strength cocktail only gets cold in a slush machine. Every recipe here keeps the finished hopper under about 8% ABV and inside the 12–16° Brix slush zone, so it freezes on a home machine and still tastes like the drink it came from.
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Aim for under about 8% ABV in the hopper, and raise the sugar as the alcohol goes up. A Ninja SLUSHi FS301 accepts premade inputs between 2.8% and 16% ABV; the XL, Max, and Twist list cocktails up to 20%. Inside those limits, the sugar decides whether the batch turns into slush or stays a cold cocktail.
Neutral 40% spirits are the simplest: vodka, white rum, blanco tequila, and gin add alcohol without changing the sugar. Liqueurs add sugar too, so count them as part-syrup. Beer, wine, and canned cocktails work but need rebalancing first, because their sugar and alcohol are already fixed.
Check the numbers in this order before you touch the machine.
FAQ
A neutral 40% spirit such as vodka, white rum, or blanco tequila. It adds strength without changing the sugar balance, which keeps the batch predictable in a home machine.
Enough to land under about 8% ABV in the hopper. For a 1.85 L batch that is roughly 200–300 ml of a 40% spirit, depending on how much sugar and juice is in the mix.
Yes, on the spiked program. Keep the mix at least 4% sugar and inside the model's ABV range. The Ninja SLUSHi calculator checks a recipe against the exact model before you pour.
Too much alcohol for the sugar in the mix. Alcohol lowers the freezing point; sugar is what gives the machine something to freeze. Dilute the batch or add syrup until it reads 12–16° Brix.
Slushable is a free app and recipe library for home slush machines. Every recipe is rebalanced to the right sugar (Brix) and alcohol (ABV) so it actually freezes into a smooth slush — no watery puddles or rock-solid blocks.
These recipes are dialled in for countertop slush machines like the Ninja Slushi. You can still blend them as a frozen drink, but the sugar and alcohol are tuned specifically so they freeze cleanly in a machine.
Yes. Every recipe is free to browse here, and the Slushable app is a free download. Open any recipe in the app to scale the batch to your machine and run a guided freeze.
It's almost always the Brix or ABV. Too much sugar or alcohol stops a mix from freezing; too little turns it to ice. Slushable works those numbers out for you, so each recipe lands in the slushable zone.
Absolutely. The library has plenty of zero-proof, family-friendly recipes alongside the frozen cocktails, all balanced to the same fluffy texture.
Get the iPhone app, balance the batch in minutes, and stop guessing at sugar, booze, and dilution.
Free on the App Store — the official app by Really Nice.