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Home » Simple Syrup

Peanut Butter Coffee Syrup

Published: Jun 26, 2023 by Ali

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Disclaimer: This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases.

This 3 ingredient peanut butter coffee syrup makes the most delicious peanut butter coffee lattes. This syrup dissolves easily in liquid, making it perfect for any coffee drink, as well as any peanut butter flavored cocktails.

An up close spoonful of peanut butter coffee syrup.

If you enjoy making fancy flavored lattes or coffee recipes at home, coffee syrups are essential. 

Making your own homemade coffee syrups, such as this peppermint coffee syrup, this pumpkin coffee syrup or this chocolate coffee syrup are always better than buying syrups from the store. 

Why You’ll Love This Recipe

  • It’s only 3 ingredients. This coffee syrup is so easy to make with only 3 ingredients in under 15 minutes. 
  • It’s versatile. Not only does this syrup make the best peanut butter iced coffee or peanut butter lattes, it also makes delicious peanut butter flavored cocktails!
  • It’s customizable. Add in a dash of vanilla or cinnamon for a unique flavor pairing. 
  • It’s better than store bought. This syrup adds real peanut butter flavoring. There is no artificial taste, unlike with storebought peanut butter syrup.

Ingredients

The ingredients needed to make the peanut butter syrup.
  • Peanut Butter: For the best results, use creamy, smooth peanut butter. You can use chunky peanut butter but you will have to strain out any peanut chunks after making the syrup. Natural peanut butter doesn’t give the syrup as much of an authentic peanut butter taste.
  • Sugar: Granulated sugar works best for this recipe. It will dissolve completely, adding sweetness to the coffee syrup. 
  • Water: Use filtered water to avoid any unpleasant flavors from tap water.

Step By Step Instructions

Step 1: Heat the sugar, water and peanut butter in a saucepan over medium heat, stirring occasionally. Continue to heat for 5 to 10 minutes until the sugar has fully dissolved and the syrup is a smooth, even consistency.

A process photo illustrating step 1.

Step 2: Strain the syrup through a fine mesh strainer to remove any peanut chunks or undissolved pieces of peanut butter.

A process photo illustrating step 2.

Storage

Allow the syrup to fully cool to room temperature before storing. 

Store the syrup in an airtight glass container in the fridge for up to 1 to 2 weeks. 

The syrup will separate once sitting for a while. Before using, shake or stir well.  

Expert Tips

  • Don’t let the syrup boil. Adjust the temperature as needed to prevent the syrup from boiling. Boiling the syrup may cause the syrup to become too thick. 
  • Strain the syrup. This syrup should turn into a smooth liquid, but if there are pieces of peanut butter that won’t dissolve, or if you used a chunky peanut butter, pass the syrup through a fine mesh strainer before storing it. 
  • Customize the syrup. Customize this syrup to your liking. You can add in a dash of vanilla extract or cinnamon for example. You can also use almond or cashew butter instead of peanut butter for a slightly different flavor.

Recipe FAQs

Can I use this to make peanut butter cocktails?

Yes! Not only does this peanut butter syrup work as a coffee syrup, it is great for making any type of peanut butter flavored cocktail.

Does this recipe make a good peanut butter ice cream topping?

If you want to use this peanut butter syrup over food, like ice cream or pancakes, replace the water with milk for a creamier result. You can also heat the syrup for a bit longer so that it thickens up.

Overhead view of a jar of peanut butter coffee syrup on a marble table next to peanuts.
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An up close spoonful of peanut butter coffee syrup.

Peanut Butter Coffee Syrup


5 Stars 4 Stars 3 Stars 2 Stars 1 Star

5 from 2 reviews

  • Author: Ali
  • Total Time: 12 minutes
  • Yield: 1 cup syrup 1x
  • Diet: Vegan
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Description

This 3 ingredient peanut butter coffee syrup makes the most delicious peanut butter coffee lattes. This syrup dissolves easily in liquid, making it perfect for any coffee drink, as well as any peanut butter flavored cocktails.


Ingredients

Scale
  • 1 cup granulated sugar
  • 1 cup water
  • ½ cup peanut butter

Instructions

  1. Heat the granulated sugar, water and peanut butter together on a saucepan over medium heat, stirring occasionally.
  2. Continue to heat for 5 to 10 minutes until the sugar has completely dissolved and the syrup is a smooth, even consistency.
  3. Remove the syrup from the stove and strain the syrup through a fine mesh strainer to remove any peanut chunks.
  4. Let the syrup cool to room temperature before using.

Notes

  • Storage: Store leftover peanut butter syrup in an airtight container in the fridge for up to 1 to 2 weeks. Shake well before using.
  • For a thicker, richer peanut butter syrup that is great for ice cream or pancakes, replace the water with milk.
  • Prep Time: 2 minutes
  • Cook Time: 10 minutes
  • Category: Coffee Syrup
  • Method: Stovetop
  • Cuisine: American

Nutrition

  • Serving Size: 1 tbsp
  • Calories: 96
  • Sugar: 13g
  • Sodium: 39mg
  • Fat: 4g
  • Saturated Fat: 0.8g
  • Unsaturated Fat: 2.6g
  • Trans Fat: 0g
  • Carbohydrates: 14.4g
  • Fiber: 0.5.g
  • Protein: 1.8g
  • Cholesterol: 0mg

Leave a comment if you tried this recipe!

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Reader Interactions

Comments

  1. Sharon

    May 04, 2024 at 1:21 pm

    Question: is it absolutely necessary to keep the sauce in the fridge? I don't keep my peanut butter or sugar in the fridge. Wanting to use this for a coffee shop drink and it would be easier to have the syrup be on the counter with all the other syrups.

    Reply
    • Ali

      July 09, 2024 at 10:00 am

      I find that homemade coffee syrups are not quite the same as store bought ones in terms of how long they last — probably because they don’t have preservatives or anything added. I really would keep this one in the fridge or it will go bad quickly.

      Reply
  2. Elizabeth

    June 27, 2023 at 12:38 pm

    I've never thought of adding peanut butter syrup to coffee before! This would be a fun addition to a coffee bar when entertaining guests.

    Reply
  3. Chenee

    June 27, 2023 at 12:03 pm

    You had me at cocktails...I've never had a peanut butter cocktail before, but I'm definitely adding this syrup to my next mudslide!

    Reply

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Ali in a white tank top wearing sunglasses, with trees with yellow leaves in the background.

Hi, I'm Ali! Full-time nurse, lifetime foodie. Join me as I create, eat and drink the most delicious brunch, cocktail & dessert recipes! More about me —>

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