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Low-Carb Roasted Strawberry & Rhubarb Jam

4.8 stars, average of 22 ratings

Low-Carb Roasted Strawberry & Rhubarb JamPin recipeFollow us 130.8k

This deliciously sweet and tart sugar-free jam tastes like your favourite summer berry pie topping.

With the abundance of summer berries, it's hard to resist the temptation. Although berries can be part of a healthy low-carb diet, too many can spike your blood sugar just as much as any fruits. The problem with fresh berries is that they don't last long. You can either freeze them or you can make a tasty low-carb jam like this one and keep it in the fridge for a week.

If you haven't tried roasting strawberries with rhubarb and spices, you are in for a treat. If you are not a fan of rhubarb, try our low-carb Roasted Strawberry & Basil Chia Jam — it is in my humble opinion the best strawberry jam I've tried.

Unlike most of the low-carb jams on my blog, there are no chia seeds in this jam recipe. Although you could add a tablespoon or two of chia seeds, they are not needed as the jam gets thick even without them.

I used brown sugar substitute as it adds a slight caramel-like sweetness that further enhances the flavour of roasted strawberries. If you don't have brown sugar substitute, feel free to use liquid stevia or any low-carb sweeteners from this list. Enjoy!

Does Organic Matter?

According to EGW's 2019 report, strawberries have the highest levels of pesticide residues and you should always get them organic.

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Hands-on Overall

Nutritional values (per tbsp/ 20 g/ 0.7 oz)

Net carbs1.2 grams
Protein0.2 grams
Fat0.1 grams
Calories8 kcal

Calories from carbs 77%, protein 13%, fat 10%

Total carbs1.8 gramsFiber0.6 gramsSugars0.9 gramsSaturated fat0 gramsSodium1 mg(0% RDA)Magnesium3 mg(1% RDA)Potassium60 mg(3% EMR)

Ingredients (makes about 1 1/2 cups/ 340 g/ 12 oz)


  1. Preheat the oven to 200 °C/ 400 °F (fan assisted), or 220 °C/ 425 °F (conventional). Halve only the large strawberries (you can keep the small strawberries whole). Slice the rhubarb. Low-Carb Roasted Strawberry & Rhubarb Jam
  2. Place the strawberries and rhubarb on a baking sheet lined with strong parchment paper. Low-Carb Roasted Strawberry & Rhubarb Jam
  3. Drizzle with water, sprinkle with the sweetener, vanilla, ginger and cinnamon powder. Low-Carb Roasted Strawberry & Rhubarb Jam
  4. Place in the oven and bake for about 15 minutes. Mix half way through. Remove from the oven and place on a cooling rack for 5 minutes. Low-Carb Roasted Strawberry & Rhubarb Jam
  5. Place the roasted strawberries and rhubarb together with all of the juices in a mixing bowl. Low-Carb Roasted Strawberry & Rhubarb Jam
  6. Use a fork to mash some of the fruits but do not mash until smooth — keep it chunky. Low-Carb Roasted Strawberry & Rhubarb Jam
  7. Refrigerate for up to a week. Eat with full-fat yogurt, coconut yogurt or just like any jam spread on a slice of keto bread. This sugar-free roasted strawberry and rhubarb jam is also great for making breakfast smoothies! Low-Carb Roasted Strawberry & Rhubarb Jam

Ingredient nutritional breakdown (per tbsp/ 20 g/ 0.7 oz)

Net carbsProteinFatCalories
Strawberries, fresh
0.8 g0.1 g0 g4 kcal
Rhubarb, raw
0.4 g0.1 g0 g3 kcal
Sukrin Gold, brown sugar substitute
0.1 g0 g0 g0 kcal
Water, still
0 g0 g0 g0 kcal
Vanilla extract, powder (vanilla bean)
0 g0 g0 g0 kcal
Ginger (ground, dried), spices
0 g0 g0 g0 kcal
Cinnamon, spices
0 g0 g0 g0 kcal
Total per tbsp/ 20 g/ 0.7 oz
1.2 g0.2 g0.1 g8 kcal
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Martina Slajerova
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Martina Slajerova

I changed the way I ate in 2011, when I was diagnosed with Hashimoto’s, an autoimmune disease that affects the thyroid. I had no energy, and I found it more and more difficult to maintain a healthy weight.

That’s when I decided to quit sugar, grains, and processed foods, and to start following a whole-foods-based ketogenic approach to food.

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Comments (5)

Lovely!  Do you have a low carb scone recipe by any chance?  I would love to indulge in a cream tea once more!


We do indeed have a low-carb scone recipe here 😊 Keto Scones with Berry Jam & Cream I wouldn't say it's exactly like the real scones but it is really good.


Great!  Thanks for sharing, I will be sure to give these a try!


Looks wonderful - can you freeze the jam?  (I love strawberry freezer jam - always tastes so fresh!)


Thank you! Yes, you can actually freeze this too. I like using an ice tray - great for portion control too 😊