Diet Coke Zero Slushy (Zero Sugar) | Ninja SLUSHi Recipe

Coke Zero Slushy made with the Ninja SLUSHi.
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Craving that icy cola flavor without the sugar? This Coke Zero Slushy hits the spot, cold and fizzy with that familiar taste you know. Since sugar-free drinks don’t freeze the same way, I added a little monk fruit-erythritol blend to help it form fine ice crystals and keep a smooth, drinkable texture instead of turning solid. I also added a splash of lemon juice to balance the sweetness, since the acidity helps brighten the flavor and tone down the lingering aftertaste that sugar substitutes can leave behind.
Whisk everything together in a separate pitcher, adding the monk fruit-erythritol blend slowly because it can make the Coke fizz up and overflow if you pour it too fast. Once mixed, pour it into the Ninja SLUSHi and select Slush mode. Let it run until it reaches your preferred texture, then enjoy a frosty, zero-sugar treat that tastes like an ice-cold Coke straight from the fountain, cool, crisp, and completely guilt-free.

Recommended Accessory!

Stanley Stay-Chill Pitcher 64 oz | Cold Water, Beer, and Drink Pitcher with Lid | Large Capacity Durable Beverage Container with Handle | Insulated Stainless Steel | BPA-Free | Polar
This 64 oz pitcher will hold most of a full batch, making it ideal for gatherings where you want to offer a variety of slushies! Will keep drinks slushed for 24+ hours when stored in the refrigerator.

Pricing last updated on October 25, 2025 - 2:01 MDT. Pricing and images from Amazon Product Advertising API. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

Prep Time
2 minutes
Slushing Time
45 minutes
Total Time
47 minutes
SELECT A SIZE
64 oz Max-Fill Ninja SLUSHi Machine

Select the serving size based on your Ninja SLUSHi model: “Regular” for the version with a 64 oz max fill line (available at most retailers); “Large” for the version with a 74 oz max fill line (sold exclusively at Costco); “Max” for the Ninja SLUSHi Max with the 112 oz max fill line; and “Small” for the version with a 48 oz max fill line (sold exclusively at Walmart.)

INGREDIENTS
The SLUSHi
REQUIRED EQUIPMENT & SPECIAL INGREDIENTS
INSTRUCTIONS
 
  • In a large pitcher, pour in the Coke Zero.
  • Slowly add the monk fruit-erythritol blend, whisking as you go. Add it gradually to prevent the Coke from fizzing up and overflowing.
  • Add a splash of lemon juice to balance the sweetness and brighten the flavor.
  • Whisk everything together until well combined.
  • Pour the mixture into your Ninja SLUSHi and select Slush mode.
  • Let the machine run until it reaches your desired slushy consistency.
  • Serve immediately and enjoy a crisp, zero-sugar frozen Coke.

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Pricing last updated on October 25, 2025 - 2:01 MDT. Pricing and images from Amazon Product Advertising API. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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