Rhubarb Simple Syrup Drink
DrinksPublished May 24, 2026

Rhubarb Simple Syrup Drink

This vibrant rhubarb simple syrup drink is tart, floral, and refreshingly easy to make. Perfect for spring sipping, mocktails, or a stunning cocktail base.

Total Time25 mins
Yield4 servings
Amanda
By Amanda

The Most Beautiful Spring Drink You Are Not Making Yet

If you have ever walked past a bundle of rhubarb at the farmers market and thought, that's just for pie, this recipe is about to change everything. Rhubarb simple syrup transforms those tart, jewel-toned stalks into a shockingly gorgeous, blush-pink drink that tastes like springtime in a glass.

This is the kind of drink that makes people stop mid-sip and ask, "Wait, what IS this?" It is bright and tangy with a subtle floral sweetness, a little unexpected, and completely refreshing. Whether you are pouring it over sparkling water for a pretty mocktail or splashing it into a gin and tonic for happy hour, the rhubarb syrup does all the heavy lifting.

The best part? The syrup takes about 25 minutes start to finish and keeps in your fridge for two full weeks. Make one batch and you will find yourself putting it in everything.


Using a good fine mesh sieve and a reliable saucepan makes the process completely effortless, and the quality of your sparkling water really does affect the final result. These are the tools and ingredients that make this recipe sing:

Why Rhubarb Works So Well in Drinks

Rhubarb has an intensely tart, almost tangy flavor that, when cooked down with sugar, softens into something complex and deeply fruity. It is not quite strawberry, not quite citrus. It is its own thing, and that is exactly what makes it so interesting in a drink.

The natural pigments in rhubarb also bleed into the syrup as it simmers, creating that stunning deep pink-to-crimson color without any food dye. The result is a syrup that looks like it belongs in a boutique cocktail bar, but comes together on your stovetop in under 30 minutes.

Chef's Tip: For the deepest color and most intense flavor, look for stalks that are bright red rather than pale green. Redder rhubarb means more pigment and more tartness in every drop.


How to Customize Your Rhubarb Drink

Once you have the syrup made, the possibilities are genuinely endless. Here are a few directions worth trying:

  • Classic Rhubarb Spritzer: Syrup over ice, topped with sparkling water and a squeeze of lemon.
  • Rhubarb Gin Fizz: Add 1.5 oz of gin to your spritzer for a stunning spring cocktail.
  • Rhubarb Lemonade: Swap the sparkling water for still lemonade for something sweeter and more refreshing.
  • Rhubarb Prosecco Cocktail: Add a splash of syrup to a flute of prosecco for an easy, impressive brunch drink.
  • Rhubarb Iced Tea: Stir a few tablespoons into unsweetened iced black or green tea.

The syrup also pairs beautifully with a sprig of fresh thyme or a ribbon of lemon zest if you want to get a little fancy with your garnish.


Ready to make it? Here is the full recipe, including exact measurements and step-by-step instructions:

Rhubarb Simple Syrup Drink

Rhubarb Simple Syrup Drink

This vibrant rhubarb simple syrup drink is tart, floral, and refreshingly easy to make. Perfect for spring sipping, mocktails, or a stunning cocktail base.

Prep:10 mins
Cook:15 mins
Total:25 mins
Yield:4 servings
Cuisine:American
Yield: 4 servingsCalories: 98Protein: 0g
Carbs: 25gFat: 0gSat. Fat: 0gFiber: 0gSugar: 24gSodium: 5mg

Ingredients

Units
Scale
  • 3 cups rhubarb stalks, roughly chopped, leaves discarded
  • 1 cup granulated sugar
  • 1 cup water, for syrup
  • 2 tbsp fresh lemon juice, about 1 lemon
  • 3 cups sparkling water or club soda, chilled, for serving
  • 2 cups ice, for serving
  • 4 fresh mint sprigs, optional, for garnish

Instruction

1

Combine the chopped rhubarb, sugar, and water in a medium saucepan over medium heat.

2

Stir occasionally and bring to a gentle boil, then reduce heat and simmer for 10 to 12 minutes until the rhubarb is completely soft and the liquid turns a deep pink.

3

Remove from heat and stir in the fresh lemon juice.

4

Strain the mixture through a fine mesh sieve into a jar or bottle, pressing the solids gently to extract all the syrup. Discard the pulp.

5

Let the syrup cool completely at room temperature, then refrigerate until ready to use.

6

To serve, fill a glass with ice and add 3 to 4 tablespoons of rhubarb syrup. Top with chilled sparkling water, stir gently, and garnish with a mint sprig.

Equipment

  • Medium saucepan
  • Fine mesh sieve
  • Wooden spoon or silicone spatula
  • Glass jar or bottle for storage
  • Citrus juicer
  • Measuring cups and spoons

Notes

The syrup keeps refrigerated in an airtight jar for up to 2 weeks. For a stronger rhubarb flavor, let the strained syrup steep with the solids for an extra 10 minutes before discarding the pulp. This syrup also makes a beautiful cocktail base with gin, vodka, or prosecco.

Storing, Serving, and Making It Your Own

The syrup stores beautifully in a sealed glass jar in the refrigerator for up to two weeks, which means you can batch it once and enjoy it all spring long. Give the jar a gentle swirl before each use.

For serving, a ratio of 3 to 4 tablespoons of syrup per 6 to 8 oz of sparkling water is a good starting point, but feel free to adjust based on how sweet or tart you like your drinks. Some people love a bold, tart hit of rhubarb. Others prefer just a blush of it.

If you happen to have leftover rhubarb pulp after straining, do not toss it. It makes a wonderful topping for yogurt, oatmeal, or vanilla ice cream with just a touch of honey stirred in.

Frequently Asked Questions

Absolutely. The syrup can be made up to 2 weeks in advance and stored in a sealed jar in the refrigerator. Just give it a quick stir before using, as it may settle slightly over time.
Yes. You can reduce the sugar to 0.75 cup for a less sweet, more tart syrup that really lets the rhubarb shine. Alternatively, swap in honey for a more floral, complex flavor, though the color will be slightly darker.
The rhubarb syrup lasts up to 2 weeks refrigerated in an airtight container. Once mixed into drinks, serve immediately for the best fizz and flavor. Do not freeze the finished drink, but the syrup itself can be frozen for up to 3 months.

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