This refreshing rhubarb slush is the perfect way to cool down on a hot day. Combining the tartness of rhubarb with the citrusy flavors of orange juice and lemon juice, this frozen treat is both delicious and easy to make.
If you don't usually have rhubarb in your kitchen, you might need to make a special trip to the supermarket. Rhubarb is a tart vegetable often used in desserts and can usually be found in the produce section. Make sure to pick stalks that are firm and brightly colored.

Ingredients for Rhubarb Slush Recipe
Rhubarb: A tart vegetable that adds a unique flavor to the slush. Look for firm, brightly colored stalks.
Water: Used to cook the rhubarb and dissolve the sugar.
Sugar: Sweetens the mixture and balances the tartness of the rhubarb and citrus juices.
Orange juice: Adds a sweet and tangy flavor to the slush.
Lemon juice: Provides a refreshing citrusy kick and enhances the overall flavor.
Technique Tip for Making Rhubarb Slush
When simmering the rhubarb, make sure to stir occasionally to prevent it from sticking to the bottom of the saucepan. This will ensure even cooking and help the sugar dissolve properly, creating a smoother texture for your slush.
Suggested Side Dishes
Alternative Ingredients
rhubarb - Substitute with cranberries: Cranberries provide a similar tartness and color, making them a good alternative to rhubarb.
rhubarb - Substitute with red currants: Red currants have a tart flavor and similar texture, which can mimic the taste and consistency of rhubarb.
water - Substitute with apple juice: Apple juice adds a bit of sweetness and additional flavor, which can enhance the overall taste of the slush.
sugar - Substitute with honey: Honey provides a natural sweetness and a slightly different flavor profile, which can complement the tartness of the other ingredients.
sugar - Substitute with agave syrup: Agave syrup is a lower glycemic index sweetener and can be used to replace sugar while maintaining the sweetness.
orange juice - Substitute with pineapple juice: Pineapple juice offers a similar acidity and sweetness, making it a good alternative to orange juice.
orange juice - Substitute with mango juice: Mango juice provides a sweet and slightly tangy flavor that can replace the citrus notes of orange juice.
lemon juice - Substitute with lime juice: Lime juice has a similar acidity and tartness, making it a suitable replacement for lemon juice.
lemon juice - Substitute with grapefruit juice: Grapefruit juice offers a tart and slightly bitter flavor that can mimic the acidity of lemon juice.
Other Alternative Recipes Similar to This One
How To Store or Freeze Rhubarb Slush
Ensure the rhubarb slush is completely cooled before transferring it to a freezer-safe container. This helps in maintaining the texture and flavor.
Use an airtight container to prevent any unwanted freezer odors from seeping into your dessert. If possible, opt for a container with a tight-fitting lid.
Label the container with the date of preparation. This way, you can keep track of its freshness. The rhubarb slush can be stored in the freezer for up to three months.
For optimal texture, avoid using glass containers as they can crack when the liquid expands during freezing. Instead, use plastic or silicone containers.
When ready to serve, allow the rhubarb slush to sit at room temperature for about 10-15 minutes. This makes it easier to scrape and scoop.
If you prefer a softer consistency, you can transfer the rhubarb slush to the refrigerator for about 30 minutes before serving.
To maintain the best quality, avoid refreezing the rhubarb slush once it has been thawed. Instead, portion out what you need and keep the rest frozen.
For a more festive presentation, consider serving the rhubarb slush in chilled glasses. This keeps the slush from melting too quickly and adds a touch of elegance.
If you have leftover rhubarb slush, you can repurpose it into a refreshing smoothie by blending it with some yogurt or milk.
To add a twist, you can mix the rhubarb slush with a splash of sparkling water or prosecco for a delightful summer drink.
How To Reheat Leftovers
If you find yourself with leftover rhubarb slush, the best way to enjoy it again is to let it thaw slightly at room temperature. This will make it easier to scrape and serve.
For a quicker method, you can place the container in the refrigerator for about 30 minutes to an hour. This will soften the slush just enough to scoop it out without melting it completely.
If you're in a hurry, you can use the microwave. Place the container in the microwave and heat on low power for 10-15 seconds. Check and stir, then repeat if necessary. Be careful not to overheat, as you want to maintain the icy texture.
Another creative method is to use a warm water bath. Place the container in a larger bowl filled with warm water for a few minutes. This gentle warming will help soften the slush without melting it too much.
For a fun twist, consider blending the slightly thawed rhubarb slush with a splash of orange juice or lemon juice to refresh its flavor and texture before serving.
If you want to get fancy, serve the reheated slush in a chilled glass, perhaps garnished with a slice of orange or a sprig of mint for an extra touch of elegance.
Best Tools for Making Rhubarb Slush
Saucepan: Used to combine and cook the rhubarb, water, and sugar mixture.
Stove: Necessary for bringing the mixture to a boil and then simmering it.
Blender: Blends the cooled mixture until smooth.
Freezer-safe container: Holds the mixture as it freezes solid.
Spoon: Used to scrape the slush for serving.
Measuring cups: Ensures accurate measurement of ingredients like rhubarb, water, sugar, orange juice, and lemon juice.
Knife: Chops the rhubarb into smaller pieces.
Cutting board: Provides a safe surface for chopping the rhubarb.
How to Save Time on Making This Recipe
Prepare ingredients in advance: Chop the rhubarb and measure out the sugar, orange juice, and lemon juice ahead of time.
Use a food processor: Instead of blending the mixture in batches, use a food processor to quickly achieve a smooth consistency.
Quick cool down: Place the hot mixture in a shallow dish to cool faster before blending.
Freeze in portions: Pour the mixture into ice cube trays for quicker freezing and easier serving.
Pre-chill glasses: Chill your serving glasses in the freezer while the slush freezes for a refreshing experience.

Rhubarb Slush Recipe
Ingredients
Main Ingredients
- 4 cups rhubarb, chopped
- 2 cups water
- 1 cup sugar
- 1 cup orange juice
- 1 cup lemon juice
Instructions
- In a saucepan, combine rhubarb, water, and sugar. Bring to a boil, then reduce heat and simmer for 20 minutes.
- Let the mixture cool, then blend until smooth.
- Stir in orange juice and lemon juice.
- Pour into a freezer-safe container and freeze until solid.
- To serve, scrape the slush with a spoon and scoop into glasses.
Nutritional Value
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