Slushie Recipe

Ingredients & Substitutions

Here I explain the best ingredients for my slushie recipe, what each one does, and substitution options. For measurements, see the recipe card.

• Frozen Berries – These create both the fruity flavor and icy texture, without plain ice watering down the whole thing. I’ve made this slushy with a mixed berry blend as well as individual berries. Strawberries and blueberries make the smoothest versions, while raspberries and blackberries turn out a little seedier, but still delicious. You can also make other flavors — see my flavor variations below!
• Sparkling Water – A.k.a. club soda or soda water! (There are minor differences in minerals, but I consider all of these the same, for the purpose of this slushie recipe.) This thins out the frozen fruit into a light, sippable consistency instead of a thick smoothie. You can use still water or even fruit juice in a pinch, but I love the way bubbles brighten up this drink.
• Besti Powdered Monk Fruit Allulose Blend – My favorite natural sweetener for cold drinks, because it dissolves smoothly, without any gritty texture, refined sugar, or strange aftertaste. You can also use my Zero Sugar Simple Syrup, or even my Strawberry, Raspberry, or Blueberry Syrups for extra fruit flavor. Since they’re liquid, I recommend using a little less sparkling water with them.

How To Make A Slushie

1. Blend the slushie. Pour sparkling water or club soda into a high-powered blender, then add the Besti and frozen berries. Pulse a few times to break up the fruit, then blend just until finely icy and uniform.
2. Adjust the consistency. Add a little more club soda gradually, stopping as soon as the slushy is easy to sip but still thick and frosty. I highly recommend serving it right away before it starts to melt!

Fun Flavor Variations

You can make this slushie recipe with nearly any frozen fruit, but the texture and amount of liquid you need will vary a little. These are my favorite ways to change it up:

• Berry Lemonade – Use frozen strawberries or blueberries, and add 2 tablespoons of lemon juice. I usually add a little extra powdered Besti here to balance the tartness.
• Raspberry Limeade – Use frozen raspberries and 2 tablespoons of lime juice. This one needs the most sweetener out of all these variations, since raspberries are less sweet than other berries.
• Peach – Frozen peaches make a softer slushy texture. They are usually naturally sweet, so I start with less sweetener.
• Tropical – Try frozen pineapple, mango, papaya, or a combination. Mango creates a thicker, more smoothie-like texture, so you may need a little more sparkling water.
• Watermelon – Freeze watermelon cubes until solid before blending them. Because watermelon releases much more liquid than berries, I only use about half the amount of sparkling water. I can also get away without sweetener for this slushie.
• Fresh Herbs – Blend in 2 to 4 small mint leaves for an extra-refreshing version. One or two basil leaves are also delicious with strawberries, but don’t add too many or they’ll overpower the fruit.