I keep this ruby rhubarb simple syrup in my fridge for the brightest homemade soda, with enough left over for a seriously good cocktail. Tart, sweet, fizzy, and all natural, it disappears fast.
I’m obsessed with this rhubarb soda because it tastes bright, tart, and totally alive without being sticky-sweet. Fresh rhubarb gives it that sharp pink punch I crave when I want something cold and actually interesting, and sparkling water makes every sip feel crisp and fizzy.
But the best part? It’s not some fake candy soda vibe.
It’s clean, fruity, a little tangy, and wildly refreshing over ice. I love it as an afternoon drink, and I love it even more when I’m pretending my patio is a tiny summer bar.
And yes, it absolutely works for cocktails too.
Ingredients
- Fresh rhubarb brings that tangy pink punch, and honestly, it makes the soda fun.
- Sugar smooths out rhubarb’s sharp side, so it’s tart without making you squint.
- Water keeps the syrup light and pourable, not sticky or candy-like.
- Lemon juice brightens everything up, giving it that fresh, sunny little kick.
- Salt sounds weird, but it makes the sweet and tart taste more balanced.
- Vanilla is optional, but it adds a soft, almost creamy vibe.
- Sparkling water makes it bubbly and refreshing, without turning it into heavy soda.
- Ice keeps it crisp, cold, and very “sip this on the porch.
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- Plus, lemon or mint makes the glass look cute and taste extra fresh.
Ingredient Quantities
- 1 pound (about 4 cups) fresh rhubarb, trimmed and chopped
- 1 cup granulated sugar
- 1 cup water
- 2 tablespoons fresh lemon juice
- 1/8 teaspoon fine salt
- 1 teaspoon pure vanilla extract, optional
- Club soda or plain sparkling water, about 1 liter for serving
- Ice for serving
- Lemon slices or fresh mint sprigs for garnish, optional
How to Make this
1. Combine chopped rhubarb, sugar, and water in a medium saucepan and bring to a gentle boil over medium heat.
2. Reduce heat and simmer, stirring occasionally, until the rhubarb breaks down and the mixture is thick and syrupy, about 10 to 15 minutes.
3. Remove from heat and let cool for 5 minutes.
4. Strain the rhubarb mixture through a fine mesh sieve into a bowl or pitcher, pressing on the solids with the back of a spoon to extract as much syrup as possible; discard the solids.
5. Stir in the fresh lemon juice, fine salt, and vanilla extract if using; taste and adjust lemon or salt as desired.
6. Let the rhubarb syrup cool to room temperature, then chill in the refrigerator until cold.
7. To serve, fill glasses with ice and add about 2 to 4 tablespoons of rhubarb syrup per glass, adjusting to taste.
8. Top each glass with club soda or plain sparkling water, about 6 to 8 ounces per serving, and gently stir to combine.
9. Garnish with lemon slices or fresh mint sprigs if desired.
10. Store any leftover syrup in a sealed container in the refrigerator for up to 1 week.
Equipment Needed
1. Medium saucepan
2. Cutting board
3. Chef’s knife
4. Measuring cups and measuring spoons
5. Wooden spoon or silicone spatula
6. Fine mesh sieve
7. Large bowl or pitcher (to catch strained syrup)
8. Spoon for pressing solids through the sieve
9. Glasses and ice scoop or tongs
10. Citrus juicer or reamer
FAQ
Rhubarb Soda • Healthy & Refreshing! Recipe Substitutions and Variations
- Sugar: substitute with honey or maple syrup (use about 3/4 the volume and warm slightly to dissolve), coconut sugar for similar texture, or a 1:1 simple syrup made with a sugar alternative like erythritol.
- Fresh lemon juice: swap with fresh lime juice for similar brightness, 1 teaspoon apple cider vinegar per tablespoon lemon for a subtle tang, or a small pinch of citric acid dissolved in water for shelf stable acidity.
- Pure vanilla extract: use almond extract for a nutty note in very small amount (start with 1/4 teaspoon), scrape seeds from a vanilla bean for a richer flavor, or add a teaspoon lemon zest for aromatic lift if omitting vanilla.
- Club soda or sparkling water: replace with plain sparkling mineral water for minerality, ginger ale for a sweeter, spiced version, or tonic water if you want a slightly bitter, quinine character.
Pro Tips
1. Chill everything ahead of time: cold syrup and very cold sparkling water keep the bubbles lively so your drink stays fizzy longer.
2. Taste and tweak while warm: adding a little extra lemon or a pinch more salt when the syrup is still warm helps the flavors meld; salt wakes up the rhubarb sweetness in a way you can not get after chilling.
3. Don not discard the cooked solids; sweeten them lightly and fold into yogurt, spread on toast, or freeze in ice cube trays for quick flavor boosters.
4. Control the intensity by syrup-to-soda ratio: start with 2 tablespoons per glass and increase gradually. For a mocktail feel, use more soda; for a richer cordial or cocktail mixer, double the syrup.
Rhubarb Soda • Healthy & Refreshing! Recipe
I keep this ruby rhubarb simple syrup in my fridge for the brightest homemade soda, with enough left over for a seriously good cocktail. Tart, sweet, fizzy, and all natural, it disappears fast.
8
servings
110
kcal
Equipment: 1. Medium saucepan
2. Cutting board
3. Chef’s knife
4. Measuring cups and measuring spoons
5. Wooden spoon or silicone spatula
6. Fine mesh sieve
7. Large bowl or pitcher (to catch strained syrup)
8. Spoon for pressing solids through the sieve
9. Glasses and ice scoop or tongs
10. Citrus juicer or reamer
Ingredients
-
1 pound (about 4 cups) fresh rhubarb, trimmed and chopped
-
1 cup granulated sugar
-
1 cup water
-
2 tablespoons fresh lemon juice
-
1/8 teaspoon fine salt
-
1 teaspoon pure vanilla extract, optional
-
Club soda or plain sparkling water, about 1 liter for serving
-
Ice for serving
-
Lemon slices or fresh mint sprigs for garnish, optional
Directions
- Combine chopped rhubarb, sugar, and water in a medium saucepan and bring to a gentle boil over medium heat.
- Reduce heat and simmer, stirring occasionally, until the rhubarb breaks down and the mixture is thick and syrupy, about 10 to 15 minutes.
- Remove from heat and let cool for 5 minutes.
- Strain the rhubarb mixture through a fine mesh sieve into a bowl or pitcher, pressing on the solids with the back of a spoon to extract as much syrup as possible; discard the solids.
- Stir in the fresh lemon juice, fine salt, and vanilla extract if using; taste and adjust lemon or salt as desired.
- Let the rhubarb syrup cool to room temperature, then chill in the refrigerator until cold.
- To serve, fill glasses with ice and add about 2 to 4 tablespoons of rhubarb syrup per glass, adjusting to taste.
- Top each glass with club soda or plain sparkling water, about 6 to 8 ounces per serving, and gently stir to combine.
- Garnish with lemon slices or fresh mint sprigs if desired.
- Store any leftover syrup in a sealed container in the refrigerator for up to 1 week.
Notes
- Below you’ll find my best estimate of this recipe’s nutrition facts. Treat the numbers as a guide rather than a rule—great food should nourish both body and spirit. Figures are approximate, and the website owner assumes no liability for any inaccuracies in this recipe.
Nutrition Facts
- Serving Size: 240g
- Total number of serves: 8
- Calories: 110kcal
- Fat: 0.1g
- Saturated Fat: 0.02g
- Trans Fat: 0g
- Polyunsaturated: 0.02g
- Monounsaturated: 0.01g
- Cholesterol: 0mg
- Sodium: 41mg
- Potassium: 169mg
- Carbohydrates: 28g
- Fiber: 1g
- Sugar: 26g
- Protein: 0.9g
- Vitamin A: 10IU
- Vitamin C: 6mg
- Calcium: 49mg
- Iron: 0.4mg
