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Ice Cream

Cookie Butter Frozen Custard Swirl

By Marty Cole Β· July 1, 2026

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πŸ₯„ 8 min prep❄️ 24 hr freeze🍦 1 pint
SwirlCreamySweet
Cookie Butter Frozen Custard Swirl

Letting the base sit on the counter for about five minutes before spinning made all the difference with this Cookie Butter Frozen Custard Swirl, and honestly I almost skipped that step. The Ninja Creami turned it into something smooth and scoopable, not crumbly, not icy, just creamy the whole way through. The cookie butter gives it that spiced, slightly caramel flavor, like the Biscoff spread you sneak off the jar. My wife took one bite, said nothing, and just walked back to the freezer. Practical tip: whisk your egg yolks and brown sugar until they actually go pale before combining, or the custard base gets grainy after spinning.

How it spins

🍦
Program
Ice Cream
❄️
Freeze
24 hrs
πŸ₯„
Prep
8 min
πŸ₯‘
Makes
1 pint

Tip: freeze the pint on a level shelf for a full 24 hours. If the first spin looks crumbly, add a splash of milk and run Re-spin.

Ingredients

  • Whole Milk6 oz
  • Heavy Cream4 oz
  • Cookie Butter Spread3 tbsp
  • Egg Yolks2 each
  • Brown Sugar2 tbsp
  • Crushed Speculoos Cookiesoptional2 tbsp

Directions

  1. 1Whisk the egg yolks and brown sugar until pale, then warm the milk and cream and slowly temper them into the yolks.
  2. 2Cook the custard gently until it lightly coats a spoon, whisk in the cookie butter until smooth, and let it cool.
  3. 3Pour the cooled custard into a Swirl 2-in-1 pint at or below the max-fill line.
  4. 4Freeze the pint flat for about 24 hours until fully solid.
  5. 5Lock the pint into the Swirl and run the Ice Cream program, then Re-spin if it looks dry.
  6. 6Fold the crushed cookies through a mix-in hole, attach the nozzle, pick the soft-serve setting, and pull the handle for a spiced custard swirl.

Tips

  • Freeze your pint completely solid for the full 16-24 hours; if it's not rock hard when you insert it into the Creami, you'll get a slushy result instead of that creamy custard texture.
  • Pour the base into your Creami pint container and leave a half-inch of headspace at the top so it has room to expand as it freezes.
  • If your first spin comes out crumbly or powdery, add just a splash of heavy cream or whole milk and re-spin for a smoother, creamier texture.
  • Use an ice cream thermometer when cooking the custard base to hit the right temperature; this affects how well it freezes and spins in the machine.

Variations

  • Swap half the cookie butter spread for almond butter or peanut butter for a nuttier flavor while keeping the same creamy base.
  • Replace the brown sugar with maple syrup or honey, using about three-quarters the amount since liquid sweeteners are more concentrated than sugar.
  • Stir in crushed vanilla wafers or graham crackers after the custard cools but before freezing for a textured swirl throughout.

FAQ

Can I use store-bought custard instead of making my own?
Yes, you can use quality store-bought vanilla custard as your base; just swap it in at the same volume and freeze it flat for 16-24 hours before spinning.
Why did my pint freeze but spin out crumbly or icy?
This usually means the pint wasn't frozen solid enough or the base had too much sugar and not enough fat; try adding a tablespoon of heavy cream before re-spinning.
What if I want a lighter version without so much cream?
Replace half the heavy cream with half-and-half or whole milk, though the result will be less creamy; you may need to add a splash of liquid during spinning to get the right texture.
How long can I keep the frozen pint in my freezer?
The pint stays good for up to two weeks; after that, ice crystals can form and affect the texture when you spin it.

Nutrition

Per serving Β· makes about 2 servings Β· estimated

387
Calories
5g
Protein
32g
Carbs
25g
Sugar
27g
Fat

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Marty Cole

Meet Marty Cole

I'm a home cook who got a little obsessed with the Ninja Slushi and Creami. I test every recipe in my own kitchen on a real machine, dial in the texture, and only post the ones my family actually finishes.

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