Chocolate Simple Syrup

4.95 from 38 rating
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This chocolate simple syrup is made using just 3 ingredients, and is amazing on cakes, in cocktails, or even in coffee!!

All you need is water, granulated sugar, some unsweetened cocoa powder, and a small saucepan.

image of a chocolate cake layer being soaked with chocolate simple syrup

What is Chocolate Simple Syrup?

Simple syrup is usually made with equal parts water and sugar. The mixture is heated to help the sugar dissolve, which yields a sweet syrup that can be used to sweeten just about anything!

This recipe makes a chocolate simple syrup by adding a bit of unsweetened cocoa powder.

The cocoa powder not only packs the syrup with chocolate flavor, but it also thickens it a bit and gives it a rich brown color.

image of chocolate simple syrup being poured into a small bowl to cool

Chocolate Simple Syrup Ingredients & Substitutions

Like I mentioned above, this recipe is pretty straightforward! However, there are some substitutions and swaps you can make if needed.

  • Water – Room temperature tap water works great in this recipe.
  • Granulated Sugar – I like using granulated sugar because it’s what I usually have on hand, but you can also use extra fine sugar or caster sugar.
  • Unsweetened Cocoa Powder – Regular baking cocoa powder (like Hershey’s or Ghirardelli) works great in this recipe, but dark cocoa powder or dutch-processed cocoa powder can also be used.

How Do You Make Chocolate Simple Syrup?

I love this recipe because it seriously takes less than 5 minutes to make!

Start by pouring the granulated sugar, water, and cocoa powder into a small saucepan.

image of chocolate simple syrup being brought to a boil in a sauce pan.

Cook over medium heat, and stir continuously until the mixture just begins to boil.

Remove from heat and pour into a medium-sized bowl to cool to room temperature.

How Can You Use This Chocolate Simple Syrup?

I’m sure it’s no surprise, but my favorite way to use chocolate simple syrup is to brush it on cake layers!! It adds both moisture and flavor, and truly makes any cake irresistible.

I highly recommend leveling each cake layer before adding the syrup, so it can easily absorb the syrup.

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You can use a silicone pastry brush or a plastic squirt bottle to generously soak each cake layer with syrup. The entire top of the cake layer should look moist once you’ve added the syrup.

I usually brush my cake layers with simple syrup right before I assemble a cake. If you want to make/freeze the cake layer in advance, I recommend thawing it and then adding the simple syrup just before you frost the cake.

I use this technique in my triple chocolate cake recipe, and it really takes the cake to the next level.

image of a triple chocolate cake slice that's filled with milk chocolate buttercream and dark chocolate ganache, and soaked with chocolate simple syrup

This chocolate simple syrup also tastes amazing in cocktails, coffee, milkshakes, or even with ice cream. The sky is really the limit!

How Do You Store Chocolate Simple Syrup?

This recipe can be made in advance, or leftovers can be stored in an airtight container in the fridge for up to 2 weeks.

I usually keep mine in a mason jar, but any container with a good lid should work just fine.

Let Me Know What You Think

If you try this recipe, please let me know what you think by sharing a rating below!

image of a chocolate cake layer being soaked with chocolate simple syrup
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4.95 from 38 rating

Chocolate Simple Syrup

This chocolate simple syrup is made using just 3 ingredients, and is amazing on cakes, in drinks, or even with coffee!!
Prep Time5 minutes
Total Time5 minutes
Course: Cakes
Cuisine: American
Servings: 10 oz.
Calories: 79kcal

Ingredients

Chocolate Simple Syrup

  • 1 cup water 240g
  • 1 cup granulated sugar 200g
  • 1/3 cup unsweetened cocoa powder, sifted 30g

Instructions

Chocolate Simple Syrup

  • Pour the granulated sugar, water, and cocoa powder into a small saucepan.
  • Cook over medium heat, and stir continuously until the mixture just starts to boil. It usually takes about 3 minutes for my simple syrup to reach a boil.
  • Remove from heat. Pour into a separate container and cool to room temperature. I like to keep my simple syrup in mason jars for easy storage.
  • If you're making this in advance, it can be stored in an airtight container in the fridge for up to 2 weeks. 

Video

Notes

Nutrition

Serving: 1 | Calories: 79kcal | Carbohydrates: 20g | Sodium: 1mg | Sugar: 20g

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7 Comments

  1. Hi! Your site is so helpful and informative ? I love to freeze my cake layers, and I like to frost them while they’re still chilled – so would I be able to add simple syrup when the cakes are thawed but still chilled? Would the cakes being chilled prevent the syrup from soaking in?

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