The recipe for Low-Carb Strawberry Rhubarb Crisp boast lots of fruit flavor and a tasty almond topping. This healthy version of an old favorite is gluten-free and grain. There is no added sugar making this dessert suitable for most diabetics, and those on low-carb, keto, or Atkins diets.


Low-Carb Strawberry Rhubarb Crisp recipe-with melting ice-cream and strawberries.


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The recipe for Low-Carb Strawberry Rhubarb Crisp

This recipe for Low-Carb Strawberry Rhubarb Crisp boasts a sweetened combination of fresh strawberries and rhubarb thickened and topped with a crumble made with buttery, almond goodness. 


While traditional crisps use starches to add body and thicken the fruit component, starch adds to the carbohydrate load. Because of this, I used some alternative, low-carb thickeners in this recipe.


The thickeners I’ve used in this recipe include both xanthan gum and glucomannan. Both added an appropriate amount of body to the strawberries and rhubarb and neither added any noticeable flavor. Use whichever you have on hand.


Low-Carb Strawberry Rhubarb Crisp recipe-before serving.


While crisps sometimes have spices like cinnamon and nutmeg added to the topping, I felt like these flavors competed too much with the fruit in this crisp. While these spices work very well with apple crisp, when I tried them with this crisp, they seemed to compete and didn’t let that lighter, fresh flavors of the strawberries and rhubarb come through.


Because I felt the spices took away from the spring and summer nature of this crisp, I decided to focus on keeping the topping buttery and crunchy. The almonds add a nuttiness that works well with the lighter fruit, without overwhelming the flavors.


Low-Carb Strawberry Rhubarb Crisp recipe-Overhead shot.


The inspiration

This recipe was inspired by a recipe for berry crisp in The Gluten-Free Almond Flour Cookbook. While my recipe is completely different, it got me thinking about crisps and crumbles and that they were more versatile than the apple crisp I knew when I was a kid.


I’ve been craving strawberries and rhubarb, so I decided to use this combination and create a healthy version of a crisp.


I started creating this recipe by basing it off of my recipe for blueberry cobbler for the fruit portion and winging it for the topping. 


What is rhubarb?

Rhubarb is commonly used in desserts, but can be used in savory dishes as well. The stalks look like a little bit like celery, but the two plants are not related. Instead of being green, rhubarb stalks tend to be pink in color. They can vary from having a few pink streaks, to being entirely pink throughout. 


Rhubarb is a perennial plant, so if you’re lucky enough to have a patch, it comes back year after year. The roots of the plant are used in herbal medicine, the stalks of culinary rhubarb are used in cooking, but watch out for those dark green leaves! The leaves contain large amounts of oxalic acid, which make them poisonous. 


Low-Carb Strawberry Rhubarb Crisp recipe-strawberries and rhubarb


Rhubarb stalks have a crisp texture and sour flavor. While they can be used raw, the stalks are often cooked with sugar to create some sweet-tart dessert goodness. Often rhubarb is combined with strawberries since the two flavors together create a perfect marriage. The combination makes delicious pies, cakes, crumbles, and crisps.


Rhubarb can also be used in savory dishes. For example, I use it in a barbecue sauces in my recipe for Strawberry Rhubarb Barbecued Chicken Wings.


Low-Carb Strawberry Rhubarb Crisp recipe-close-up with ice-cream


Is rhubarb a fruit or a vegetable

While rhubarb is often used in desserts as if it were a fruit, it’s actually a vegetable.


Its vegetable status makes it a perfect fruit substitute for those of us on a low carb diet, as it is much lower in carbohydrates than most fruits. Eating rhubarb makes eating vegetables for dessert something you’ll want to do.


Final words

I love eating this low-carb strawberry rhubarb crisp warm with low-carb vanilla ice-cream. Whipped cream also tops it off nicely. I confess, though, that I ate all of the leftovers straight from the fridge. That sweet-tart flavor really comes through when the crisp was cold. Enjoy!


This recipe for Low-Carb Strawberry Rhubarb Crisp will make a guilt-free dessert you love. This dessert is bursting with fruity goodness. Top it with our keto vanilla ice cream to make it even more decadent. 🍓🍴😋

Low-Carb Strawberry Rhubarb Crisp Recipe (Gluten-Free)

This Low-Carb Strawberry Rhubarb Crisp recipe is delicious dessert suitable for those on low-carb, diabetic, gluten-free, sugar-free, keto, or Atkins diets.

Course Dessert
Cuisine American
Keyword diabetic dessert, keto dessert, low carb dessert, low carb strawberry rhubarb crisp, strawberry rhubarb crisp, strawberry rhubarb crumble
Prep Time 10 minutes
Cook Time 50 minutes
Total Time 1 hour
Servings 9
Calories 202 kcal
Author Annissa Slusher


For the fruit layer:

For the topping:


For the fruit layer:

  1. Preheat oven to 375º Fahrenheit. Whisk the sweetener, glucomannan, and sea salt together in an 8" X 8" baking dish

    Low-Carb Strawberry Rhubarb Crisp recipe-ready for the fruit.
  2. Stir in the strawberries, rhubarb, and lemon juice. Bake in the preheated oven for about 30 minutes, or until the strawberries and rhubarb begin to get tender. While the strawberries and rhubarb are baking, make the topping.

    Low-Carb Strawberry Rhubarb Crisp recipe-ready for the topping

For the topping:

  1. In a medium to large mixing bowl, whisk together the almond flour, sweetener, baking soda and sea salt.

    Low-Carb Strawberry Rhubarb Crisp recipe-dry ingredients for the topping
  2. Cut the chunks of butter into the dry ingredients using a pastry blender. (You could also melt the butter and stir it in if you don't have a pastry blender.) Stir in 1/2 cup of the almonds.

    Low-Carb Strawberry Rhubarb Crisp recipe-topping-ready to go.
  3. When the strawberries and rhubarb have finished baking, remove them from the oven. Using your hands, crumble the topping mixture over the top to cover it evenly. Smooth the topping gently with the back of a spoon, if desired. Sprinkle the remaining 1/4 cup of the almonds on top. 

    Low-Carb Strawberry Rhubarb Crisp recipe-ready for the oven
  4. Bake for about 18-20 minutes longer or until top is golden brown. Divide into 9 servings. This dessert will need to be scooped out with a spoon or spatula as you would a cobbler. 

    Low-Carb Strawberry Rhubarb Crisp recipe-After baking.

Recipe Notes

Serving size: 1/9th of the crisp. 

Per serving: 4 grams net carbs.

Nutrition Facts
Low-Carb Strawberry Rhubarb Crisp Recipe (Gluten-Free)
Amount Per Serving (1 portion)
Calories 202 Calories from Fat 171
% Daily Value*
Fat 19g29%
Saturated Fat 7g44%
Trans Fat 0g
Polyunsaturated Fat 1g
Monounsaturated Fat 5g
Cholesterol 27mg9%
Sodium 167mg7%
Potassium 155mg4%
Carbohydrates 7g2%
Fiber 3g13%
Sugar 2g2%
Protein 4g8%
Vitamin A 350%7%
Vitamin C 14%17%
Calcium 70%7%
Iron 0.7%4%
* Percent Daily Values are based on a 2000 calorie diet.