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Home » Recipe Index » Rhubarb Crumble (Vegan): Delightfully Tart and Crunchy

Rhubarb Crumble (Vegan): Delightfully Tart and Crunchy

April 28, 2026 by MiaDesserts

Imagine sinking your spoon into a warm, bubbling dish of vegan rhubarb crumble, where the tartness of the rhubarb dances with the sweet crunch of an oat and almond topping. The aroma wafting through the kitchen is enough to make even the most disciplined dessert-lover weak at the knees, promising a delightful experience that’s both comforting and refreshing.

This vegan rhubarb crumble holds a special place in my heart; it reminds me of sun-drenched afternoons spent in my grandmother’s garden, where we would gather fresh rhubarb for our baking adventures. Perfect for family gatherings or a cozy night in, this dessert is sure to create lasting memories while tantalizing your taste buds with its incredible flavors and textures.

Why Is Rhubarb Crumble (Vegan) So Irresistibly Good?

Deliciously tangy rhubarb combined with a touch of sweet sugar creates a mouthwatering filling that dances on your taste buds.

Quick and easy to prepare, it takes just 15 minutes of prep time, making it perfect for last-minute dessert cravings.

Nutty and crunchy almond flour and rolled oats in the topping add delightful texture, enticing everyone at the table.

Versatile enough to serve warm with vegan ice cream or chilled as a refreshing treat, this crumble is a crowd-pleaser for all occasions.

With simple, wholesome ingredients, you can enjoy guilt-free indulgence that leaves you feeling great!

Rhubarb Crumble (Vegan) Ingredients

For the Filling

  • 4 cups rhubarb, chopped – Fresh rhubarb gives this dish its signature tartness, making it a delightful base for your crumble.
  • 1 cup granulated sugar – This sweetens the filling and balances the tangy flavor of the rhubarb perfectly.
  • 2 tablespoons cornstarch – Helps thicken the filling, ensuring it holds together beautifully when baked.
  • 1 teaspoon vanilla extract – Adds a warm, sweet note that enhances the overall flavor profile of your Rhubarb Crumble (Vegan).
  • 1 teaspoon cinnamon – Provides a cozy warmth and complements the tartness of the rhubarb wonderfully.

For the Topping

  • 1 cup rolled oats – These create a hearty texture in your crumble topping, making every bite satisfying.
  • 1/2 cup almond flour – Adds a nutty flavor and helps bind the topping while keeping it gluten-free.
  • 1/2 cup brown sugar – Gives a rich sweetness and slight caramel flavor to your crunchy topping.
  • 1/4 cup coconut oil, melted – A plant-based fat that adds moisture and helps create that perfect golden-brown crust.
  • 1/2 teaspoon salt – Enhances all the flavors in both the filling and topping, balancing sweetness with a touch of savory.

Step-by-Step Rhubarb Crumble (Vegan)

1. Preheat the oven: Begin by preheating your oven to 350°F (175°C). In a mixing bowl, combine the 4 cups of chopped rhubarb, 1 cup of granulated sugar, 2 tablespoons of cornstarch, 1 teaspoon of vanilla extract, and 1 teaspoon of cinnamon. Mix it all together until well combined, then set aside for the delicious filling.

2. Mix the topping: In another bowl, gather your ingredients for the crunchy topping! Combine 1 cup of rolled oats, 1/2 cup of almond flour, 1/2 cup of brown sugar, 1/4 cup of melted coconut oil, and 1/2 teaspoon of salt. Stir until you achieve a crumbly texture that will beautifully crown your rhubarb.

3. Assemble and bake: Spread the rhubarb mixture evenly in a baking dish. Gently sprinkle the oat topping over the rhubarb layer. Bake in your preheated oven for about 30 minutes or until the topping turns golden brown and you see the rhubarb bubbling joyfully beneath.

4. Cool and serve: Once baked to perfection, allow your crumble to cool slightly before serving. It’s delightful warm or at room temperature—perfect for sharing with loved ones!

Optional: Serve with a scoop of dairy-free ice cream for an extra treat!

Exact quantities are listed in the recipe card below.

Expert Tips

  • Rhubarb Selection: Choose firm, vibrant rhubarb stalks for a tangy flavor. Avoid any that are wilting or have brown spots.
  • Balancing Sweetness: If your rhubarb is particularly tart, feel free to increase the sugar by 1/4 cup to achieve a perfect balance in this Rhubarb Crumble (Vegan).
  • Cornstarch Use: Make sure to mix the cornstarch well with the other filling ingredients to avoid clumps; this will help thicken the juices beautifully.
  • Topping Consistency: Aim for a crumbly texture with your oat mixture. If it’s too wet, add a bit more almond flour to achieve that delightful crunch.
  • Baking Time Check: Keep an eye on your crumble towards the end of baking. Ovens vary, and you want that topping golden without burning!

How to Store and Freeze Rhubarb Crumble (Vegan)

  • Room Temperature: Enjoy freshly baked Rhubarb Crumble (Vegan) at room temperature for up to 2 hours; afterward, refrigerate to prevent spoilage.
  • Fridge: Store leftover crumble in an airtight container in the fridge for up to 3 days. Reheat individual servings in the microwave or oven until warmed through.
  • Freezer: For longer storage, freeze the crumble in a tightly sealed container for up to 3 months. Thaw overnight in the fridge before reheating.
  • Reheating: To reheat, warm in the oven at 350°F (175°C) for about 15 minutes until hot and crispy. Enjoy your delightful dessert again!

Rhubarb Crumble (Vegan) Variations

Feel free to get creative and make this delightful dessert uniquely yours with these fun twists!

  • Sweetener Swap: Replace granulated sugar with maple syrup for a natural sweetness. This adds a lovely depth of flavor that complements the tart rhubarb beautifully.
  • Fruit Fusion: Mix in 1 cup of strawberries or raspberries with the rhubarb for a burst of color and sweetness. The combination creates a stunning medley that’s perfect for summer gatherings.
  • Nutty Delight: Substitute almond flour with hazelnut flour to add a rich, buttery flavor. The nuttiness pairs wonderfully with the tangy filling, making each bite more indulgent.
  • Spice it Up: Add an extra teaspoon of ginger or nutmeg to the filling for a warm, cozy twist. These spices elevate the dish, bringing out the vibrant flavors in the rhubarb.
  • Coconut Crunch: Use shredded coconut in place of some oats for added texture and tropical flair. The coconut brings a delightful chewiness that balances the crisp topping perfectly.
  • Gluten-Free Option: Swap rolled oats for gluten-free oats if needed. This ensures everyone can enjoy this delicious crumble without compromising on taste or texture.
  • Zesty Kick: Incorporate the zest of one orange into the filling for a bright citrus note. It enhances the overall flavor profile, making your crumble even more refreshing!

Make Ahead Options

Preparing this delightful Rhubarb Crumble (Vegan) in advance makes it an ideal choice for busy days or special gatherings. You can prepare the filling by chopping 4 cups of rhubarb and mixing it with 1 cup of granulated sugar, 2 tablespoons of cornstarch, 1 teaspoon of vanilla extract, and 1 teaspoon of cinnamon. Store this mixture in the refrigerator for up to 24 hours. Additionally, the topping can be made ahead by combining 1 cup of rolled oats, 1/2 cup of almond flour, 1/2 cup of brown sugar, 1/4 cup of melted coconut oil, and 1/2 teaspoon of salt; it will stay fresh for up to 3 days when stored in an airtight container. When you’re ready to serve, simply assemble the layers in your baking dish and bake as instructed until golden brown and bubbling. This way, you save time without sacrificing any delicious flavors!

Rhubarb Crumble (Vegan) Recipe FAQs

What type of rhubarb should I use for this crumble?

When selecting rhubarb for your crumble, look for firm, vibrant stalks that are free from blemishes. Both green and red varieties work beautifully; the red will give you a slightly sweeter flavor and a lovely color contrast in your dish.

Can I substitute the sugar in the filling?

Absolutely! If you’re looking to reduce refined sugars, you can swap granulated sugar for coconut sugar or maple syrup. Just remember to adjust the quantity accordingly—maple syrup is a bit sweeter, so you might want to use about ¾ cup instead of a full cup.

How should I store leftover rhubarb crumble?

After it’s cooled, cover your leftover rhubarb crumble with plastic wrap or transfer it to an airtight container. It will stay fresh in the refrigerator for up to 3 days. To reheat, simply pop it back in the oven at 350°F (175°C) for about 10-15 minutes until warmed through.

Can I freeze rhubarb crumble?

Yes, you can freeze this delicious vegan treat! Allow it to cool completely, then wrap it tightly in plastic wrap and aluminum foil before placing it in the freezer. It can be stored for up to 3 months. When you’re ready to enjoy it, thaw overnight in the fridge and bake at 350°F (175°C) for about 20-25 minutes.

What can I serve with my vegan rhubarb crumble?

This crumble is delightful on its own, but if you’re looking to elevate it further, consider serving it warm with a scoop of vegan vanilla ice cream or a dollop of coconut whipped cream. The creamy texture complements the tartness of the rhubarb perfectly!

How many servings does this recipe yield?

This vegan rhubarb crumble recipe serves 4 people generously. It’s perfect for sharing after a family dinner or enjoying as a delightful afternoon treat—just keep those forks at the ready!

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