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Gluten Free Healthy Rhubarb Crisp

healthy rhubarb crisp

Happy Mother’s Day! How are you celebrating today? Let’s celebrate the mom’s of the world today with some superr sweet and oat-packed Gluten Free Healthy Rhubarb Crisp.

healthy rhubarb crisp

But first, guys, how do the photos look!? I’m SO excited that J and I finally invested in a fancy SLR camera for the blog.  It’s something we’ve been saving up for, well for months and it arrived in the mail a couple days ago. It’s been so much fun experimenting with the different bells and whistles of the camera. To be honest, I don’t know how half of the settings work just yet but it’s great learning more about food photography. We really can’t get over the difference of quality between the photos. We still have so much to learn but we’ve come along way since my very first recipe on the blog taken under overhead lighting at our dinner table right before we gobbled it up!

I am SO excited to share a ton of new recipes with you this Spring with some gorgeous photos and redo some of my old recipes as well so they can be put in their proper light. πŸ™‚

ceara s kitchen

But back to this sexy vegan Rhubarb Crisp. 

A sweet, soft and warm rhubarb layer topped of with a thick and crumbly oat-filled crisp. #YesPlease

healthy rhubarb crisp

My Stepdad’s rhubarb crisp is famous in our home each Summer. He makes it with freshly picked rhubarb from the garden and it’s downright delicious with a scoop of vanilla ice cream on top. I’ve been promising him since last Summer that I would make a healthier and flour free version for the family and attempt to compete with his famous dessert. And this Healthy Rhubarb Crisp definitively does compete with the traditional rhubarb recipes.

This recipe uses oat flour (basically just ground up oats) in the rhubarb base and some more whole oats and oat flour in the crisp topping. I added fresh lemon juice and lemon zest to the rhubarb plus some cane sugar for good measure. I wouldn’t recommend dialing back on the sugar in this recipe because rhubarb by itself is pretty sour. The sugar and lemon flavors really balance the rhubarb out perfectly.

gluten free healthy

This Healthy Rhubarb Crisp quickly disappeared after I whipped it up this morning. I wish I could send some of it across the ocean back home to share with my amazing mom today! πŸ™‚ Happy Mother’s Day, Mama!

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Gluten Free Healthy Rhubarb Crisp

  • Author: Ceara
  • Total Time: 1 hour 10 mins
  • Yield: 12 pieces 1x


A sweet Gluten Free, Healthy Rhubarb Crisp made with absolutely zero refined flour! This Rhubarb Crisp makes the perfect Spring and Summer dessert, has a delicious thick crumble layer on top and tastes perfect with a big scoop of vanilla ice cream on top.



Rhubarb Layer

  • 6 1/2 heaping cups rhubarb
  • 1/2 cup cane sugar*
  • 1 tsp lemon zest
  • 1 tbsp lemon juice
  • 4 tbsp oat flour

Crisp Topping


  1. Pre-heat oven to 350F/175F. Grease a 2 quart/1 liter baking dish with coconut oil or coconut butter.
  2. Rhubarb layer: Place chopped rhubarb (see notes), cane sugar, lemon zest, lemon juice and oat flour in the baking dish. Mix around, level it out in the dish and leave to sit for 10 -15 minutes while you prepare the crumble layer.
  3. Crisp topping: Add oat flour, oats, sea salt, cinnamon and brown sugar to a medium size mixing bowl. Mix together. Add 6 tbsp of coconut oil to the crisp mixture. Mash it in with a fork until a crumbly mixture forms. Add an extra tbsp of coconut oil if necessary. I like to do this part with clean hands, I find it gets the best “crumbly” texture.
  4. With clean hands, crumble the crisp topping evenly over the rhubarb. Bake for 35 – 45 minutes until the rhubarb bottom is very soft. Test this by poking the rhubarb with a fork to see if the rhubarb is soft. The amount of time you bake the rhubarb crisp will depend on your baking dish and oven. I baked mine for 43 minutes.


1) Cut rhubarb into roughly 1 cm pieces (1/3 inch).
2) Replace cane sugar with light brown sugar
3) Replace coconut oil with coconut butter for an oil-free version.
4) Make coconut oil is at room temperature before adding it to the crumble and not rock hard.
5) If you are more accustomed to very sweet rhubarb dishes, add an extra 1/4 cup of cane sugar to the rhubarb mixture.
6) Use dark brown sugar instead of dark brown cane sugar.

  • Prep Time: 25 mins
  • Cook Time: 45 mins
  • Category: Dessert
  • Cuisine: American

this healthy rhubarb

If you try this Healthy Rhubarb Crisp, it makes my week seeing your amazing #CearasKitchen creations. Share your photos with me on Instagram @CearasKitchen (and remember to tag #CearasKitchen so I don’t miss it!) or share it on my Ceara’s Kitchen Facebook page. Wishing you a wonderful Mother’s Day everyone! 

healthy rhubarb crisp

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  3. Just made your rhubarb crisp…delicious! I used turbinado raw cane sugar instead of dark brown sugar.

  4. For the topping, can I substitute brown sugar for the dark cane sugar. I only have light cane sugar and brown sugar.

    1. Brown sugar will work just fine! Add a tsp of molasses if you have it around as well. Enjoy the crisp!

  5. Congrats on the new camera!! That is so exciting!! Def a nice investment!! …also, this looks amazing!! …and I LOVE that it’s healthy! I always felt like fruit crisps had so much healthy potential! …but people often add too much butter/ sugar! This is a great recipe!! πŸ™‚ Thanks again! Hope that your week is going well!

    1. Thank so much, Cailee!! πŸ™‚ Fruit crisps really have no need for all that sugar – I couldn’t agree more πŸ™‚

  6. This crisp is calling my name, Ceara! I was just talking about rhubarb pie yesterday and how much I love it but no one ever makes it! I’m thrilled to see this crisp! It looks gorgeous and so delicious. And that crumb topping looks SO good! Pinned! Hope you’re Monday is off to a great start!

    1. Rhubarb pie is one of my favorites pies as well, Gayle! Such a wonderful Spring pie! πŸ™‚ Thanks so much for the pin. Hope your week is off to a wonderful start too πŸ™‚

  7. This rhubarb crisp looks absolutely delicious Ceara! I love growing rhubarb because it’s so easy to grow. My in-laws absolutely love it and would just die for a piece (ok several) slices of this crisp. I’ll have to have it for them. Sounds like you had a nice Mother’s Day. WE did too, went for a family hike to the Eternal Flame =)

    1. LOL! We can never have just one piece of rhubarb crisp either! It’s too yummy and such a treat this time of year πŸ˜‰ Sounds like your Mother’s Day was wonderful!! Hope you are having a great week.

  8. The photos look wonderful Ceara!! I’m so happy for you, I know how exciting that first day was for me as well, lol! This looks like a wonderful crisp! I make a cinnamon pecan apple crisp that is my hubby’s favorite each year but I’ve never tried rhubarb. I have no idea…what does it taste like?? What fruit is it similar to?

    1. Thank you so much, Brandi! Your cinnamon pecan apple crisp sounds to die for!! I think you’d love rhubarb. I can’t really describe exactly what it tastes like, but it is quite tart by itself. You need the sugar in there to balance it out. It is SO delicious in baked goods. My great grandma always baked pies with it when we were growing up!

  9. I love rhubarb so much! I think I’m going to make this in a small version vor breakfast very soon, just like I did my cherry oatbake crumble. I think that would work pretty well with the rhubarb too. We have so so much rhubarb in our garden right now, it really needs to be used up! Thank you for the inspiration :-* Oh, and I love the new pictures <3

    1. <3 I just saw your breakfast on Insta today and it looks absolutely DELISH!! :) Your rhubarb garden sounds wonderful! I can't wait to grow it one day when we move out of our apartment!

  10. I must admit I have a little bit of rhubarb phobia, I don’t tend to like tart things, but I’ve never tried it. Your recipe sounds really simple and it looks really, really tasty so your pushing me to overcome that fear. Especially that oat topping, it’s really calling to me πŸ™‚

    1. No need for rhubarb phobia πŸ˜‰ The only thing with is that it’s quite tart by itself, so you have to add enough sugar to balance it out. And the oat topping is my fave part of every crisp!! πŸ™‚ I hate when recipes are skimpy on the crisp layer πŸ˜›

  11. Mhmm this looks delicious! I’ve actually never had rhubarb before (I know, I know), but this is definitely making me feel more adventurous with trying it out!

    Your photos look great! Getting a new camera is just about the most exciting thing ever πŸ™‚

    1. You need to get your rhubarb on, ASAP! πŸ™‚ It is such a delicious fruit to cook with!! Thank you so much re. photos! It is the most exciting thing ever! I can’t wait to learn a bit more about how it works πŸ˜‰

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