Blue Raspberry Slush with Ninja Slushi

A classic fairground favorite, with that famous bright blue originally invented to avoid confusing the syrup with strawberry or cherry. I tested this with a standard supermarket syrup: the water ratio had to be adjusted so the sugar wouldn’t block the freezing process. This granita immediately brings back summer vibes with its incomparable freshness. In the machine, you get a perfectly frozen result, ideal for sipping through a straw.

Blue Raspberry Slush with Ninja Slushi

Recipe by Camille Roos

0.0 from 0 votes

Course: Slush / GranitaCuisine: AmericanDifficulty: Easy

Servings

4

people

Prep

5

minutes

Freeze time

45

minutes

Total time

50

minutes

This bright blue fairground classic is very easy to prepare for a refreshing result to sip through a straw.

Ingredients

• 200 ml blue raspberry flavor syrup

• 800 ml water

• 1 tablespoon lemon juice (to boost acidity)

Instructions

• In a pitcher, mix the water, blue raspberry syrup, and lemon juice. The sugar in the syrup acts as an antifreeze so the slush sets without turning into a hard block.
• Pour the mixture into the Ninja Slushi bowl, making sure to respect the minimum and maximum fill lines.
• Turn on the machine, select the Slush program and let it run. Since the sugar ratio is high, the freezing happens smoothly for an ideal texture.
• Once the optimal texture is reached, pull the handle to serve in large glasses with a wide straw.

Fresh fruit version (natural color)

Fresh fruit version (natural color) : Blend fresh raspberries and a few blueberries with cane syrup and water, strain through a sieve, then start the Slush program. The taste is there, but the color will lean more towards purple.

Syrup dosage and the golden rule of sugar

To succeed with a beautiful blue granita, the choice of syrup matters, but it’s mainly the sugar dosage that dictates the final texture. In a device of this type, sugar acts as a natural antifreeze. Without it, the liquid would turn into an unpourable block. With a highly concentrated commercial syrup, I generally use a ratio of one part syrup to four parts water. If your base is less intense or low-calorie, the machine might beep or flash its lights to alert you. Don’t hesitate to add a little liquid cane sugar to soften the mixture. That’s the advantage of making your own recipe: you control the balance, avoid the excesses of fairground cups, and the drink remains fluid until the last drop. I also like to add a splash of lemon juice to break up the slightly flat taste of liquid candy, which brings a very pleasant depth to the palate.

Why this color and how to own it at a party

You’ve probably wondered where this famous azure tint comes from. Historically, manufacturers simply wanted to differentiate this flavor from strawberry or cherry, which monopolized red. It’s purely visual, but it’s part of the recipe’s charm! For an afternoon in the sun or a birthday, this very pop visual always makes an impact. Just remember to check that the liquid stays between the min and max markers on the bowl before starting the churn, as the ice expands as it forms. For those who prefer more natural alternatives, a homemade strawberry slush with Ninja Slushi or a simple homemade lemonade slush with Ninja Slushi will also work wonders, with less neon shades. In any case, provide wide straws to make enjoying this frozen dessert easier.

Are you team blue raspberry or red cherry for your slushes?

Frequently asked questions

Why is my blue raspberry slush too liquid after 45 minutes?

This is a sign that there is too much sugar in your mixture. Add a little cold water to the bowl to rebalance the ratio and let it run for another ten minutes.

Can I use sugar-free syrup for this recipe?

No, because sweeteners do not have the same antifreeze properties as real sugar. Your drink would turn into a hard block and the machine would go into safety mode.

Which program should I choose if my model doesn’t have a specific mode?

The Slush program is the basic mode found on all models in the range. You will definitely have it available, no matter your machine!

How long does the drink stay cold in the bowl?

As long as the machine is running, it maintains the correct temperature and ideal texture. You can let it churn without any problem for the duration of your event.