Learn how to make rhubarb simple syrup for the tastiest mocktails and cocktails this summer!

Also read: How and When to Harvest Rhubarb, Unsweetened Rhubarb Juice, Herb Infused Simple Syrups

This recipe will make two cups or 500 ml of rhubarb simple syrup, enough for 8-10 cocktails or mocktails. The recipe can easily be doubled. Store it in the fridge for up to a week or in the freezer for months.

three kinds of rhubarb mocktails — Three tasty mocktails made with rhubarb simple syrup.

Rhubarb simple syrup is a great addition to the herb infused simple syrups I make over the summer.

variety of herb infused simple syrup on table — A variety of herb infused simple syrups for your summer beverages.

Recipe for Rhubarb Simple Syrup

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4.34 from 6 votes

Rhubarb Simple Syrup

This rosy sweet rhubarb syrup is perfect for making refreshing mocktails and cocktails. It's easy to make with either fresh or frozen rhubarb. The level of sweetness in this recipe is not so much that you can't taste the flavor of rhubarb, but it's enough that you can easily use sparkling water or club soda instead of pop when mixing beverages. Of course, if you want it sweeter or less sweet – you can adjust accordingly.

Prep : 15

Cook : 20

Servings: cups

Ingredients

4 cups diced rhubarb fresh or frozen
1 cup water
1 cup granulated sugar

Instructions

In large pot, bring rhubarb and 1 cup water to boil. Reduce heat and simmer for 10-15 minutes until rhubarb is soft and completely breaks apart.
Pour mixture through a fine mesh strainer. Use the back of a spoon to squeeze out any remaining liquid.
Measure strained juice and add enough water to equal 2 cups in total. If you use frozen rhubarb, you may not need to add extra water at all. If you have more than 2 cups liquid, add a little more sugar (ratio of 2 parts rhubarb juice to 1 part sugar).
Return to pot and stir in sugar. Heat and stir to dissolve sugar, no need to boil,
Remove from heat.
Let cool and pour in clean jar or bottle. Seal and store in fridge for 1-2 weeks or freeze for longer storage.

Notes

Bright Red: The color of rhubarb syrup is a salmon/rose/coral color – it is not bright pink or red. If you want a deeper red color you can add strawberries, raspberries or a little red food coloring before you add the sugar.

How Many Stalks? You need about 8-10 medium sized stalks to get 4 cups. That’s about 1 1/3 pounds or 600 grams of rhubarb. But don’t worry too much about exact measurements with this recipe, cook however much rhubarb you have, strain it and measure it. Add or subtract sugar accordingly – a little more or less is okay.

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Course: Drinks

Cuisine: American

Keyword: cocktails, mocktails, rhubarb

How to Use Rhubarb Simple Syrup

Our favorite ways to use rhubarb simple syrup:

When we don’t want to be fancy, we mix 1 part syrup with 3 parts club soda over ice.
When we want to be fancy, but alcohol free, we make mocktails – see the three recipes below.
When we want to be fancy with alcohol, we make cocktails – see suggestions below.
When we don’t want a beverage, we use the syrup on top of ice cream or use it to sweeten oatmeal.
It’s great on top of Rhubarb Bread Pudding which soaks it all in.

ingredients for mocktails and cocktails — Ingredients for some tasty mocktails or cocktails.

Three Mocktails Using Rhubarb Simple Syrup

Instructions per glass.

For the teens and adults that tested these recipes, the syrup added enough sweetness that club soda or sparkling water worked perfectly. If you love a really sweet drink, you could use lemon/lime pop instead.

To make rhubarb curls, use a vegetable peeler to peel long thin strips along the flat side of a rhubarb stem. Twirl and garnish.

Teen tested and approved! My girl is happy to have fancy bevies to share with her friends.

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5 from 1 vote