Easy 2 Ingredient (plus alcohol) Peanut Butter Cup Slushi Recipe for your Ninja Slushi

Let’s face it—when the summer heat makes your forehead glisten like a glazed donut and your friends are melting faster than their dignity on karaoke night, there’s only one logical response: Frozen Peanut butter cup slushi. Not just any frozen drink, but a creamy, boozy, dessert-in-a-cup that laughs in the face of basic margaritas. And with a machine like Ninja Slushi Max XXL doing the heavy lifting, you’ll be churning out frosty masterpieces with the confidence of a TikTok mixologist and the flair of a dive bar bartender who gives zero concern for subtlety.  This was my first attempt on my Slushi Max XXL and it did not disappoint!

If you don’t already have a Ninja Slushi of your own, check out our review of the Ninja Slushi Max XXL!

Or just go ahead and buy another one!

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Slushi recipe

So pull up a plastic lawn chair, cue the yacht rock, and let’s blend some bad decisions into a glass.

Peanut Butter Cup Slush for Ninja SLUSHi Max (110 oz batch)

This isn’t your average countertop blender. The Ninja Slushi is a frozen drink beast—built for large batches, silky textures, and party-starting chaos. Follow these directions to get the most out of the machine without ending up with a slushy disaster. (you can adjust the volume down to accommodate a Slushi instead of the Slushi Max XXL)

Fill to 110 oz total (or 88oz on the original Slushi/Slushi Professional)

  • 8 oz peanut butter whiskey (6.5 oz for the original Slushi)
  • 8 oz chocolate vodka (6.5 oz for the original Slushi)
  • 8 oz chocolate cream liqueur (6.5 oz for the original Slushi)
  • 86 oz chocolate milk (68.5 oz for the original Slushi)
  • You’ll need some chocolate syrup to swirl in your glass before serving.
  • A little whipped cream and mini peanut butter cup to finish off the presentation (or just dive into it without, your call)

Total: 110 oz (88 for the original Slushi /Slushi Professional)

Steps

  1. Pre-chill everything (cold liquids slush faster and more consistently).
  2. Pour all liquids into the vessel (no ice, no solids).
    1. I think it is easier just to put the alcohol into the vessel first, then fill with the chocolate milk.  Then you don’t need to measure out 86oz of Chocolate milk, just fill it almost to the max fill line after you pour in the alcohol. But if you are using the regular Slushi, remember to reduce the amount of alcohol so it freezes properly.
  3. Run Spiked Slush / Spiked Slush Max as appropriate for your model. The Max model is designed for higher-alcohol slush cocktails, up to 20% in supported recipes.

Texture corrections

  • Too thin after it runs: add 8–16 oz more chocolate milk (reduces ABV, increases freeze).
  • Too hard/too thick: add 4–8 oz more vodka or whiskey and re-run briefly.

Try it out, you won’t be disappointed.

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