TL;DR: a slushie with no added sugar takes 5 minutes with 500 ml of water, one flavouring sachet and crushed ice. Here are three: red berry, green tea with lemon, and natural lemon with sweetener. They are blended and served at once. No added sugar does not mean no calories: the flavourings contain sweeteners and any fruit you add counts.

Tall glass of red berry slushie with crushed ice, raspberries and blueberries, on a pink background

Drinking water does not have to be boring. JustLoading water flavourings, formerly called Instant Drink, come in sachets and also work for recipes like these. Here are three slushies to cool down with no added sugar.

How to make a slushie at home

How do you make a slushie at home?

Make the flavoured liquid, crush ice until it looks like snow, add the liquid and blend everything together again. Serve at once in a tall glass, because it melts fast. With 500 ml of liquid you get about two glasses.

What liquid is used for slushies?

Water with flavouring is the simplest and adds no sugar. Cold tea or herbal infusion, coffee and diluted lemon juice also work. If you use fruit juice or milk, the recipe is no longer sugar-free, because they carry the sugars of the ingredient itself.

Can you make a slushie without a blender?

Yes, with the freezer. Pour the mixture into a shallow container and put it in the freezer. Every 30 minutes scrape the crystals with a fork and stir, and repeat until it has a snow-like texture. It takes longer than with a blender, but the result is just as good.

Sugar-free red berry slushie

IngredientAmount
Water500 ml
Red berry flavouring1 sachet
IceTo taste
Fresh red berries (optional)To decorate
  1. Mix the flavouring with the water.
  2. Crush the ice until it has a slushie texture.
  3. Add the drink and blend everything together again.
  4. Serve in a glass and decorate with red berries for a special touch.

Tall glass of red slush with a fruit garnish on a sunny terrace

Green tea and lemon slushie

IngredientAmount
Water500 ml
Green tea and lemon flavouring1 sachet
IceTo taste
Fresh mint leavesA few
Lemon slicesTo decorate
  1. Make the drink by mixing the flavouring with the water.
  2. Crush ice until it looks like snow.
  3. Mix it with the drink and serve well chilled.
  4. Add mint and lemon for extra freshness.

Sugar-free lemon slushie

A variation with no flavouring, for anyone who prefers real lemon. It is the sharpest of the three, so adjust the sweetener to taste.

  1. Mix the juice of 2 lemons with 400 ml of water and liquid sweetener to taste.
  2. Crush ice until it looks like snow.
  3. Add the mixture, blend again and serve with a lemon slice.

Each sachet is designed to dissolve in one litre of water. In these recipes it is used in 500 ml so the flavour holds up against the ice; if you prefer it milder, add more water. Each sachet has 80 mg of vitamin C, which contributes to the normal function of the immune system.

Ideas and questions

What types of slushie are there?

The best known are lemon, fresh fruit, coffee, tea or infusion, and horchata or almond milk. They all share the shaved-ice texture. What changes is the base liquid, and that decides whether the slushie contains sugar or not.

What ideas are there for making slushies?

Try blended fresh fruit, mint leaves, a piece of fresh ginger or a little cold coffee. If you like to experiment, play with the ice: finer gives a snow texture and coarser a crunchy slushie.

For more cool recipes, see the healthy ice cream recipes.

What ingredients do you need for a coffee slushie?

Strong, cold coffee, ice and, if you like, sweetener. Make the coffee, let it cool and blend it with the ice until it has a snow-like texture. For a version with more body, freeze the coffee in ice cubes and blend those alone. You can add a splash of milk.

How many calories are in a sugar-free slushie?

One flavouring sachet provides about 10 kcal according to its nutrition table, and in this recipe it is shared across 500 ml. No added sugar does not mean no calories: it contains sweeteners and anything you add, such as fruit or lemon juice, adds a little more.

Does a slushie hydrate you after training?

Water does hydrate, and a slushie is flavoured water with ice. But it contains no electrolytes. If you sweated a lot or trained for more than an hour, an isotonic drink is better, because it does replace salts.

The difference between the drinks is explained in isotonic, hypotonic and hypertonic.

José María Navas Humanes
José María Navas Humanes

I am a Food Scientist and Technologist by training, specialized in food production and agri-food technology.

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