Dunkin’ Donuts Cookie Butter Cold Brew (Easy Copycat Recipe)

This Dunkin’ Donuts cookie butter cold brew is a sweet, spiced iced coffee drink with a creamy cookie butter swirl and cold foam on top. If you love the Dunkin’ original but don’t want to drive there every morning, this version takes about 5 minutes to put together at home.

The flavor is warm and caramel-like, with that distinct speculoos spice coming through in every sip. You’ll get more cookie butter flavor here than you usually do from the drive-through.

Why I Love This Recipe

The cookie butter syrup does real work here. It’s thick, sweet, and has that cinnamon-ginger warmth that makes speculoos anything taste like a treat.

Cold brew keeps the coffee smooth and low on bitterness, so the cookie butter flavor stays front and center instead of getting lost behind a sharp coffee bite.

This is the version I keep coming back to on weekday mornings. It takes less time than waiting in a Dunkin’ line.

Recipe Ingredients

• 2 tbsp Biscoff spread (or any cookie butter) – The Lotus Biscoff brand has the most pronounced speculoos flavor; other brands work but may be milder
• 2 tbsp granulated sugar – Combines with the Biscoff to build the syrup base
• 2 tbsp water – Thins the syrup to a pourable consistency
• 1 cup cold brew coffee concentrate – Store-bought works great; Chameleon or Trader Joe’s concentrate are reliable options
• ½ cup whole milk, divided – 2 tbsp goes into the cold foam, the rest fills the glass
• 2 tbsp heavy cream – Makes the cold foam thick enough to sit on top of the coffee
• 1 cup ice – Standard ice cubes; crushed ice melts faster and dilutes the drink
• 1 pinch ground cinnamon – Dusted on top; pulls the spice note forward visually and in flavor

Variations / Substitutions

• Dairy-free – Swap the whole milk for oat milk and the heavy cream for full-fat coconut cream; the foam will be slightly looser but still holds for a few minutes.
• Less sweet – Reduce the granulated sugar to 1 tbsp; the Biscoff spread already carries enough sweetness that the syrup still tastes good.
• Extra spiced – Stir a pinch of cardamom into the syrup along with the cinnamon; it adds a slightly floral warmth that works well here.
• Stronger coffee – Use cold brew concentrate straight with no added water; if yours is already diluted, brew a stronger batch using a 1:4 coffee-to-water ratio.
• Lighter version – Replace the heavy cream with all whole milk for the foam; it won’t hold as long but the drink is noticeably lighter in calories.

If you enjoy cookie butter flavors in drinks, you might also like making a Cookie Butter Latte at home.

How To Make Cookie Butter Cold Brew

Step 1: Simmer the Cookie Butter Syrup

In a small saucepan over medium heat, combine the 2 tbsp Biscoff spread, 2 tbsp granulated sugar, and 2 tbsp water. Stir constantly for about 2 minutes, until the spread melts completely and the mixture looks glossy and smooth with no lumps. Pull it off the heat and let it sit for 1 minute while you prep the glass.

The syrup thickens slightly as it cools, so don’t worry if it looks thin right off the heat. You’re looking for a pourable, honey-like texture before you use it.

Step 2: Layer the Glass with Ice and Syrup

Fill a 16 oz glass with the 1 cup of ice. Pour the warm cookie butter syrup directly over the ice, then add the 6 tbsp whole milk (that’s the ½ cup minus the 2 tbsp set aside for foam). The syrup will drip slowly through the ice and pool at the bottom in a caramel-colored ribbon.

Pour the 1 cup cold brew concentrate over the milk and syrup slowly so the layers stay visible. You’ll see three distinct layers: dark brown cold brew on top, lighter milk in the middle, and the amber syrup at the bottom.

Step 3: Froth the Cold Foam

In a small jar or a milk frother cup, combine the reserved 2 tbsp whole milk and 2 tbsp heavy cream. Use a handheld milk frother on high for about 20 to 30 seconds, until the foam is thick enough to spoon and holds a soft peak. It should feel airy and light, not watery.

If you don’t have a frother, add the milk and cream to a lidded jar and shake vigorously for 45 seconds. The foam won’t be as fine, but it works.

Step 4: Top, Dust, and Serve

Spoon the cold foam over the top of the cold brew in an even layer, using the back of the spoon to gently spread it to the edges of the glass. Dust the 1 pinch ground cinnamon over the foam from about 6 inches above the glass so it lands in a light, even cloud. Serve immediately with a wide straw so you can pull the syrup up from the bottom with the first sip.

Recipe Tips

• Use a wide straw. The cookie butter syrup settles at the bottom, and a wide straw pulls it up with the coffee so you get flavor in every sip instead of saving all the sweetness for the end.
• Make the syrup ahead. The cookie butter syrup keeps in a sealed jar in the fridge for up to 1 week. Use 4 tbsp (the full batch) per drink, or scale up and store a larger batch.
• Watch the heat on the syrup. Keep it at medium, not medium-high. Too much heat can make the Biscoff seize up or stick to the pan before the sugar fully dissolves.
• Cold brew concentrate vs. regular cold brew. If you’re using already-diluted cold brew (not concentrate), reduce the ice to ¾ cup so the drink doesn’t taste watered down.

Foam thickness by frothing method:

How To Store

• Refrigerate – The cookie butter syrup keeps in an airtight jar for up to 7 days. The assembled drink does not store well; build it fresh each time.
• Serve Cold – The syrup is good straight from the fridge. No need to reheat it; just stir it briefly if it has thickened, then pour.

Frequently Asked Questions

Can I use regular iced coffee instead of cold brew?

Yes, but the drink will taste sharper and more bitter. Cold brew’s lower acidity is what lets the cookie butter flavor come through clearly, so the swap changes the balance noticeably.

Can I make this without a frother?

Yes. A lidded jar shaken hard for 45 seconds gets you a workable foam. It won’t be as thick or long-lasting, but it does the job on the first sip.

How much caffeine does this have?

It depends on your cold brew brand, but most concentrate runs about 150 to 200mg of caffeine per 1 cup serving. Check the label on your specific brand for the closest estimate.

Can I double the recipe for 2 drinks?

Yes, just double every ingredient. The syrup batch scales up easily in the same small saucepan; you’ll need an extra 2 to 3 minutes of stirring time to melt the larger amount of Biscoff.

Cookie Butter Cold Brew Recipe

Print Recipe Pin Recipe

Prep Time 5 minutes mins

Cook Time 3 minutes mins

Total Time 8 minutes mins

Servings: 1 servings

Ingredients Method Notes

Ingredients

  

• 2 tbsp Biscoff spread
• 2 tbsp granulated sugar
• 2 tbsp water
• 1 cup cold brew coffee concentrate
• ½ cup whole milk, divided
• 2 tbsp heavy cream
• 1 cup ice
• 1 pinch ground cinnamon

Method

 

1. Combine 2 tbsp Biscoff spread, 2 tbsp granulated sugar, and 2 tbsp water in a small saucepan over medium heat; stir for about 2 minutes until smooth and glossy, then remove from heat.
2. Fill a 16 oz glass with 1 cup ice, pour the cookie butter syrup over the ice, add 6 tbsp whole milk, then slowly pour in 1 cup cold brew concentrate.
3. Froth 2 tbsp whole milk and 2 tbsp heavy cream with a handheld frother for 20 to 30 seconds until thick and foamy.
4. Spoon the cold foam over the drink, dust with 1 pinch ground cinnamon, and serve immediately with a wide straw.

Notes

The cookie butter syrup is the make-ahead piece here; double or triple the batch and keep it in the fridge for up to a week so your morning routine is just assembly. If your cold brew is pre-diluted rather than concentrate, cut the ice back to ¾ cup. Build the drink fresh each time — once the foam is poured, it starts to flatten within about 5 minutes.