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    Home » Drinks recipes » Homemade syrups and liqueurs

    Blackberry simple syrup

    Published: Aug 24, 2026 by Caroline

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    This blackberry simple syrup is an easy way to add some bright berry flavor and color to cocktails, lemonade or make a simple soda. It's quick to make, versatile, and great to enjoy all summer long.

    This blackberry simple syrup is brightly colored, with a delicious berry flavor. It's really easy to make and adds a fantastic boost of color and flavor to various drinks, from cocktails to soda and lemonade. Perfect to enjoy those summer berry flavors.

    Jump to Recipe
    jar and small bottle of blackberry simple syrup with blackberries either side.

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    Flavored syrups are really easy to make and similar to homemade salad dressings, so often much better than anything you would buy. The flavor is more bold, there's no weird ingredients, and they taste more like the flavor they are meant to be.

    I've shared a few before, but this blackberry syrup is one I can't help but wonder why I haven't shared before. I grew up picking blackberries and they are a favorite fruit, at least when they are the perfect ripeness. And this is a lovely way to enjoy that flavor a little longer. 

    overhead view looking into jar of blackberry simple syrup with bottle behind it and blackberries around.

    What is a simple syrup?

    In case you are not familiar with them, a simple syrup is quite simply sugar dissolved in water to make a sugar syrup. It's a common way to add sweetener to cocktails and other drinks since sugar in solid form doesn't always dissolve in the other usually cold ingredients. 

    The classic version is just sugar and water, in equal parts by volume. However there are many, many variations. You can make a rich sugar syrup with 2 parts sugar to 1 part water. This version can be handy as it both reduces dilution and keeps better (sugar is a preservative). You can use different sugars, like demerara for a richer flavor. 

    You can also flavor syrups in lots of ways. One main way is infusing the syrup with herbs and spices, like ginger syrup, lemongrass syrup and thyme simple syrup. Other versions involve adding ingredients like fruits that release some juices and flavor, like rhubarb syrup. 

    masher in simmering blackberry mixture in pot.

    Making blackberry syrup

    This bright berry syrup is really easy, as you simply warm water, sugar and blackberries together. To help the blackberries release all their flavor, you mash the fruit so the juices come out.

    Cook the syrup for a couple minutes as this brings out more of the berry flavor. Then, as with other syrups, I like to leave the mixture to steep as it cools so the flavors mingle even more.

    spatula in pan with mashed blackberries in liquid

    Since this uses equal parts water and sugar, it's a regular strength syrup. This is great for most uses in drinks. However, if you like, you can thicken the syrup by simmering a little longer to reduce it down. This would then give you a richer syrup that you could use more with food, such as over pancakes, French toast or waffles, for example.

    You can make this in small or large batches as suits, the process is exactly the same. It will keep stored in a sealed jar, bottle or other container in the fridge for at least a week, likely more like two or even more. If it's older, just be sure to check the smell and and if there's any mould and discard if it has gone bad.

    straining blackberry solids from blackberry simple syrup.

    Uses for blackberry simple syrup

    Flavored syrups can be used in a whole range of drinks where you would add both some sweetness and where the flavor fits. This particular syrup has the added bonus of adding both a lovely flavor as well as a bright color, which I think makes it extra versatile.

    Used in cocktails:

    • Add some extra blackberry flavor to my blackberry bourbon smash by using this in place of the regular simple syrup.
    • Similarly with my blackberry margarita.
    • Use it in other cocktails in place of simple syrup where the flavors match. Blackberry pairs particularly well with whiskey/bourbon, but also works well with gin, tequila and others.

    Used in non-alcoholic drinks:

    • Use it to make blackberry lemonade.
    • Combine with sparkling water to make a simple blackberry soda.
    • Add some in with sparkling water, some lime and mint for a berry mocktail mojito.

    Alongside drinks, you could also, as I say, make it slightly thicker to use it with food, too, whether as a breakfast syrup or drizzled over cake, for example. It really does have lots of possibilities!

    blackberry simple syrup in both a jar and a bottle with berries around them.

    This blackberry simple syrup is so easy to make and a great way to add a touch of bright flavor and color to cocktails, lemonade and so much more. It's great to have on hand for whenever it feels a fit to use, which has lots of options. So be sure to make some and enjoy soon.

    Try these other syrups and infused spirits:

    • Hibiscus syrup (another with a bright color and flavor)
    • Raspberry liqueur (a lovely berry infused spirit, great to add a little brightness to cocktails)
    • Cranberry ginger cordial (cranberry ginger syrup)
    • Homemade limoncello (it's easy to recreate the classic citrus liqueur at home)
    • Plus get more homemade syrup and liqueur recipes in the archives.
    bottle and jar of blackberry simple syrup next to each other.
    Print Recipe

    Blackberry simple syrup

    This simple syrup is full of bright blackberry flavor, as well as a beautiful color. It's perfect to add to cocktails, lemonade and much more.
    Prep Time5 minutes mins
    Cook Time10 minutes mins
    cooling time (approx)30 minutes mins
    Total Time15 minutes mins
    Course: Drinks
    Cuisine: American
    Servings: 24 approx (makes approx ¾ cup/180ml)
    Calories: 18kcal
    Author: Caroline
    SaveSaved!

    Ingredients

    • 4 oz blackberries (4oz is a little under 1 cup)
    • ½ cup sugar
    • ½ cup water

    Instructions

    • Wash the blackberries well to ensure they are clean. Be sure to use ripe berries and remove any that are underripe or going bad.
    • Place the water, sugar and blackberries in a small pan and place over a medium-low heat, uncovered.
    • Stir the mixture gently as you bring it to a simmer to ensure all the sugar dissolves. As it warms, the blackberries will start to go lighter in color - this is fine. Mash the berries to break them up and release the juices. Once it comes to a simmer, reduce the heat and simmer for around 3 - 5 minutes more - the mixture will start to look a little darker in color - then remove from heat. Set aside and leave the berries in the syrup to infuse it further as it cools.
    • Pour the syrup through a strainer/sieve to hold back all of the fruit solids and seeds. Use a fine strainer as some of the seeds can be small and you don't want them sneaking through. Store the syrup in a sealed bottle/jar in the fridge until needed.

    Video

    Notes

    Servings is based on using ½tbsp per serving, but it will depend on how used as some recipes will use more or less. 

    Nutrition

    Calories: 18kcal | Carbohydrates: 5g | Protein: 0.1g | Fat: 0.04g | Saturated Fat: 0.001g | Polyunsaturated Fat: 0.01g | Monounsaturated Fat: 0.002g | Sodium: 0.3mg | Potassium: 8mg | Fiber: 0.3g | Sugar: 4g | Vitamin A: 10IU | Vitamin C: 1mg | Calcium: 2mg | Iron: 0.03mg
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    This blackberry simple syrup is an easy way to add some bright berry flavor and color to cocktails, lemonade or make a simple soda. It's quick to make, versatile, and great to enjoy all summer long.
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    Caroline's Cooking

    Welcome! I'm Caroline and this is where I share recipes inspired by travels, places I want to go, or just ideas from feeding the family. Most recipes are easy to make and healthier, but there are treats too!

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