Easy 3-Ingredient Sugar-Free Coke Slushy

Dessert

March 9, 2026

Craving that classic, ice-cold soda fountain slushy but want to skip the sugar crash? You’ve come to the right place! Beat the heat and satisfy your sweet tooth with this ridiculously easy, 3-ingredient Sugar-Free Coke Slushy. It’s the ultimate guilt-free frozen treat that whips up in minutes, bringing that nostalgic fizzy, frosty goodness right to your kitchen. Get ready to blend, sip, and chill!

Ingredients

• 1 liter / 34 fl oz Sugar-Free Coca-Cola, chilled
• 2 ½ cups / 375 g ice cubes
• 1 fresh lime

Instructions

1. Combine the chilled sugar-free Coke and ice cubes in a high-powered blender.
2. Pulse the blender in short bursts until the mixture reaches a smooth, slushy consistency. Avoid over-blending, as this can make it too watery.
3. Pour the slushy evenly into two serving glasses.
4. Cut the lime into four wedges. Squeeze the juice from one wedge into each glass and stir gently. Garnish the rim of each glass with one of the remaining lime wedges and serve immediately.

Nutritional Information

• Calories: ~5 kcal per serving
• Sugar: 0 g
• Carbohydrates
• Fat: 0 g
• Note: is an estimate and may vary based on specific products used.

Pro Tips

• for the Perfect Slushy
• For a fizzier slushy, reserve about 1/4 cup / 60 ml of the soda and stir it in just before serving.
• Pre-chilling your blender pitcher and glasses in the freezer for 15 minutes helps keep the slushy frozen longer.
• Experiment with other sugar-free sodas like Diet Dr. Pepper, Cherry Coke Zero, or even sugar-free root beer for different flavor variations.
• If your blender is struggling, add the ice in smaller batches or add a small splash more of the soda to help it blend.

FAQ

Q: Can I use a different sugar-free soda for this slushy
A: Absolutely! This recipe is very versatile. Feel free to experiment with other sugar-free sodas like Diet Dr. Pepper, Cherry Coke Zero, or even sugar-free root beer for different flavor variations.

Q: How do I make my Coke slushy extra fizzy
A: For a fizzier slushy, reserve about 1/4 cup (60 ml) of the sugar-free Coke before blending. After you’ve poured the slushy into glasses, gently stir in the reserved soda right before serving for an extra pop of carbonation.

Q: Is this sugar-free slushy recipe keto-friendly
A: Yes, this slushy is perfect for a keto or low-carb diet. With 0g of sugar and approximately 5 calories per serving, it’s a guilt-free way to enjoy a frozen treat without the carbs.

Q: What if my blender struggles to crush the ice
A: If your blender has trouble, try adding the ice in smaller batches. You can also add an extra splash of the chilled sugar-free Coke to help the blades move and create a smoother consistency.

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