Rhubarb Mango Crumble with Almond Coconut Topping

Created by Laura Wright
5 from 8 votes

This sweet and sour rhubarb mango crumble with ginger, lime, and a macaroon-like almond coconut topping is simple to make, naturally vegan, and gluten/grain-free.

An up close, overhead shot of a rhubarb mango crumble in a grey enamelware, round dish. It has a crisp, beige cookie-like topping. The crumble has two melt-y scoops of ice cream on top.
An up close, overhead shot of a rhubarb mango crumble in a grey enamelware, round dish. It has a crisp, beige cookie-like topping. The crumble has two melt-y scoops of ice cream on top.
An overhead shot of ingredients for a crumble dessert.
An up close, overhead shot of peeled Ataulfo mangos on a wood background.

I really love rhubarb and mango together. The sour rhubarb mixed with fully ripened mango is sweet-tart heaven. Is there any place in the world where these two items can grow side-by-side? I’m not confident in this, but it won’t stop me from bringing them together in this rhubarb mango crumble. The warm spices and the toasty coconut, macaroon-like topping are incredible!

I first tried this combo about 100 years ago (haha) after seeing it on an old Food Network Canada show. I was thinking about it recently when my parents dropped off a whole case of Ataulfo mangos (“They were on sale!”). I’ve had a bunch simply chopped with lime juice, but there were still a bunch in my fruit bowl. I just needed to recreate that dessert!

This vegan rhubarb mango crisp uses about four of them, so not much of a dent in my stash oops. But still so good! The lime, cardamom and ginger in the filling is so nice. A toasty, cookie-like almond and coconut topping feels just right. I serve ours with a coconut milk-based ice cream to keep that coconut vibe going. One of my favourite vibes to keep going, honestly.

If you find yourself really enjoying this rhubarb mango crumble combo as well, I have it in a savoury salad format here. You might also like these Blueberry Spelt Waffles with Rhubarb Cashew Cream or this Cold Veg Mango Noodles Salad with Spicy Sesame Citrus Dressing.

Thinking of you and hoping that you’re having a great day. It’s full on summer-y temperatures over here, so we’ve been spending a bit of extra time in the sunshine. Always lots to do in the garden! Grateful for you, always.

An up close, overhead shot of chopped rhubarb and mango pieces in a ceramic dish.
A hand is sprinkling crumble topping onto a dish of chopped fruit. This image is shot from overhead on a grey background.
An overhead shot of a rhubarb mango crumble in a grey enamelware, round dish. It has a crisp, beige cookie-like topping. The crumble has two melt-y scoops of ice cream on top.
An overhead shot of a fruit crumble dessert in white serving bowls. Each serving is topped with a melt-y scoop of ice cream.

Vegan Rhubarb Mango Crumble with Almond Coconut Topping

This easy vegan rhubarb mango crisp has a macaroon-like almond coconut topping and delicious flavour additions like cardamom, lime, and ginger.
5 from 8 votes
An up close, overhead shot of a rhubarb mango crumble in a grey enamelware, round dish. It has a crisp, beige cookie-like topping. The crumble has two melt-y scoops of ice cream on top.
Prep Time: 25 minutes
Cook Time: 35 minutes
Total Time: 1 hour
Servings 8

Ingredients

Almond Coconut Topping

  • 1 cup almond flour
  • ½ cup shredded unsweetened coconut
  • 3 tablespoons melted and cooled coconut oil
  • 3 tablespoons maple syrup or agave nectar
  • ¼ teaspoon fine sea salt

Rhubarb Mango Filling

  • 3 cups (285 grams) chopped rhubarb (1-inch pieces)
  • 3 cups (380 grams) peeled and chopped ripe mango (1-inch pieces)
  • 2 tablespoons arrowroot starch
  • 4 tablespoons maple syrup or agave nectar
  • ½ teaspoon lime zest
  • 1 teaspoon lime juice
  • ¼ teaspoon ground ginger
  • ¼ teaspoon ground cardamom

Notes

  • Any liquid sweetener that you like will work well in both the topping and the filling
  • I used 4 very ripe Ataulfo mangos (also known as Champagne mangos) for this.
  • I decided to keep things simple, but you could add ¼ cup chopped nuts (like pecans or walnuts) to the topping for interest if you like.
  • I used a vanilla coconut milk-based ice cream by So Delicious here for serving. We loved the match of coconut ice cream and toasted coconut in the topping.
  • If you don’t have arrowroot starch, feel free to substitute cornstarch or regular all purpose flour.

Instructions

  • Preheat the oven to 350°F. Set out a 9-inch square or round baking dish.
  • Prepare the almond coconut topping. In a medium bowl, combine the almond flour, shredded coconut, and salt. Stir to combine. Then, add the coconut oil and maple syrup. Stir until you have a rough cookie dough-like texture. Set the bowl in the fridge for 10 minutes.
  • Transfer the chopped rhubarb and mango to the baking dish. Directly to the dish, add the arrowroot starch, maple syrup, lime zest, lime juice, ground ginger, and ground cardamom. Stir to combine and evenly coat all the pieces of rhubarb and mango. Spread everything out into a layer of even thickness that fills the baking dish.
  • Retrieve the almond coconut topping from the fridge. Using your fingers, break up the bits of “dough” evenly over the surface of the rhubarb and mango mixture.
  • Bake the rhubarb mango crisp for 35 minutes, or until the topping is evenly browned and the filling is fully softened and bubbling away just a tiny bit at the edges. Take a peak at the crumble at around the 20 minute mark. If the topping is browning too quickly, just clamp a little piece of aluminum foil on top of the dish.
  • Let the crumble cool for at least 20 minutes before serving with vegan ice cream (I recommend a coconut-based one).
An overhead shot of a fruit crumble dessert in white serving bowls. Each serving is topped with a melt-y scoop of ice cream.
16/06/2021 (Last Updated 02/03/2024)
Posted in: dessert, gluten free, grain-free, roasted, sour, spring, summer, sweet, vegan

14 comments

5 from 8 votes (3 ratings without comment)

Recipe Rating





  • Marena

    5 stars
    This was so good. I did 1/2 cup almond flour and 1/2 cup oats with the 1/2 cup of coconut. I used avocado oil instead of coconut and 2 cups fresh strawberries and 1 cup frozen mango with the full amount of rhubarb. Thanks!

  • Danielle

    Ive never tried rhubard…but now I have to! Beautiful photos as well!

  • Helen

    5 stars
    The crumble was like heaven. I  used apricots instead of rhubarb and added no extra sweetener to the fruits. We enjoyed it with some vegan coconut yoghurt. 

  • Stacey

    so I was excited to make this and didn’t have mangos so I substituted some strawberries.  I found the recipe was pretty tart and not sure if the time was long enough to cook the rhubarb. Something was missing just not sure what is was, ingredients or method. 

    • Laura

      Hi Stacey,
      I’m so sorry that this one didn’t work out for you. I used and recommend really ripe mangos for this recipe, which may account for the tartness that you experienced here. Strawberries tend to be more acidic than ripe mango and require a bit more help in the sweetening department (ie probably more maple syrup than what I call for in this recipe). As for the rhubarb not softening enough, I’m not sure on that one. I do find that as rhubarb season stretches toward the end where I live, the stalks do get a bit tougher from prolonged exposure to heat. Other than this, I’m not sure what happened there! I’ve made crumbles and crisps in this style with rhubarb and other fruits a bunch of times and the rhubarb always softens.
      -L

  • Elaine

    I’m wondering if you could use frozen mangoes? 

    • Laura

      Hi Elaine!
      Yes, you could use frozen mango. I would thaw them out completely before starting the recipe though.
      -L

  • Sarah | Well and Full

    I need to make this for my husband! Mango is his favorite fruit :)

  • Karen

    5 stars
    I planted rhubarb last year and this was the first dessert I made with it.  Delicious! Everyone loved it. 

    • Laura

      I’m so glad! I miss my rhubarb plant at our old house so much. Thanks for this comment and review, Karen :)
      -L

  • Rupert Swallow

    5 stars
    Wow this looks SO delicious

  • karyn lee hall

    5 stars
    What a great dessert.  I never thought of rhubarb/mango combo but it is delish.  The only thing I would modify next time is adding more cornstarch as it was a bit juicy.  So lovely!! Thank you so much.

  • Christine

    Any sub for the almond flour? I can’t do almond unfortunately! 

    • Laura

      Hi Christine! If you consume oats, I think it might be best to seek out a vegan oat-based crumble topping recipe and apply it here, adding a nice handful of shredded coconut for that same vibe. The almond flour makes up so much of the crumble topping in this recipe, and really the only viable direct substitute would be another type of nut/seed flour like hazelnut or sunflower seed (which would effect the flavour a bit).-L