Low-Carb Strawberry Rhubarb Crisp Recipe (Gluten-Free) – Healthy Desserts Recipes

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

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

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 a 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.


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.

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.


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 barbecue sauces in my recipe for Strawberry Rhubarb Barbecued Chicken Wings.

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.

It’s 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!


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.

  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.

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*

Total Fat 19g 29%

Saturated Fat 7g 35%

Polyunsaturated Fat 1g

Monounsaturated Fat 5g

Cholesterol 27mg 9%

Sodium 167mg 7%

Potassium 155mg 4%

Total Carbohydrates 7g 2%

Dietary Fiber 3g 12%

Sugars 2g

Protein 4g 8%

Vitamin A 7%

Vitamin C 17%

Calcium 7%

Iron 4%

* Percent Daily Values are based on a 2000 calorie diet.

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