Summer is the perfect time to chill out with a cool, refreshing beverage. The Ninja SLUSHi Frozen Drink & Slushie Machine makes it easy to create smooth, flavorful frozen drinks right at home, ideal for beating the heat or impressing guests at your next gathering.
In this guide, we’ll walk you through a simple, step-by-step recipe for delicious frozen lemonade using the Ninja SLUSHi. Get ready to enjoy a homemade treat that’s perfect for summer parties or a relaxing day by the pool.
Our top pick at a glance

Ninja SLUSHi Frozen Drink & Slushie Machine
- ✔ Color: Black
- ✔ Servings: 7+ per batch
- ✔ Dimensions: Not specified

Ninja SLUSHi Frozen Drink & Slushie Machine with RapidChill Technology | 88 oz. Easy Fill Vessel | 5 Preset Programs | Make Margaritas, Frappés, & More | With Dishwasher Safe Parts | Black | FS301
NO ICE NEEDED: RapidChill Technology is our innovative two-part system that spins an auger around a cooling cylinder...
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Gather Your Ingredients and Equipment
To make a vibrant frozen lemonade, you’ll need:
- Fresh lemons (about 4-5 for 1 cup of juice)
- Sugar or a sugar substitute (to taste)
- Cold water
- Ice cubes (if desired for extra chill)
- The Ninja SLUSHi Frozen Drink Machine
Ensure your ingredients are chilled for the best results, and prepare your lemon juice and sweetener before starting the process.
Prepare the Lemonade Base
Start by extracting fresh lemon juice — about 1 cup — and mix it with your preferred sweetener. Add about 1 to 1.5 cups of cold water to dilute and balance the tartness. For a thicker, more slushie-like texture, you can include a few ice cubes in this mixture.
Stir well until the sugar is fully dissolved. Pour this lemon mixture into the Ninja SLUSHi vessel, filling it up to the 64 oz max level, leaving some space for expansion during freezing.
Create Your Frozen Lemonade
Secure the lid on the Ninja SLUSHi and select the appropriate preset program — for lemonade, the ‘Frozen Drink’ setting works well. Turn on the machine and let it run until the drink reaches a smooth, slushy consistency, usually within 15-20 minutes.
Keep an eye on the process, and if you prefer a thicker texture, you can run the machine slightly longer. The RapidChill technology ensures your beverage will chill quickly and stay cold for hours without ice.
Serving and Tips
Pour your frozen lemonade into glasses, garnish with lemon slices or mint if desired, and serve immediately for the best slushie experience. For extra refreshment, add a splash of sparkling water or a sprig of mint.
For a more intense flavor, experiment with different citrus fruits or add a handful of fresh berries before blending. Remember, the key to perfect frozen drinks is using chilled ingredients and the right amount of sweetener.
More Details on Our Top Picks
Ninja SLUSHi Frozen Drink & Slushie Machine

The Ninja SLUSHi FS301 makes creating smooth, flavorful frozen beverages straightforward and fun. Its large capacity and preset programs simplify summer entertaining, while the RapidChill technology ensures quick, consistent results.
Pros:
- Large 88 oz capacity for multiple servings
- Easy to clean with dishwasher-safe parts
- Quiet WhisperChill compressor
Cons:
- Requires sugar or sweetener for best texture
- Can take 15-60 minutes to fully freeze depending on ingredients
- Limited to liquids that can be frozen for longer storage
Best for: Home entertainers and summer party hosts
Not ideal for: Dairy-heavy or very thick mixtures
Bottom line: A versatile frozen drink maker that’s perfect for summer refreshers and entertaining.
Affiliate disclosure: As an Amazon Associate we earn from qualifying purchases. Prices and availability are accurate as of the time of publishing.