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Easy Low-Carb Roasted Rhubarb

4.3 stars, average of 11 ratings

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This low-carb roasted rhubarb is a super simple treat you can make to serve alongside whipped cream, sour cream, creme fraiche or even a scoop of this Vanilla Keto Ice Cream!

Although we're using forced rhubarb, you can use field-grown rhubarb too. The pretty pink color is the result of growing the rhubarb in warm sheds with no natural light. Apart from the color, forced rhubarb is not that different from field-grown rhubarb although it tends to be sweeter, more delicate and more tender.

Forced rhubarb, which is pink, is in season between January and March, and field-grown rhubarb, which is red and green, is then available from April and until September, sometimes even longer.

What we love about this tangy fruit is that it's ultra low in carbs. In fact, rhubarb contains less carbs than berries! Just bake it until tender, with some ginger, vanilla and low-carb sweetener. Absolutely delicious!

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Hands-on Overall

Serving size about 6 pieces

Allergy information for Easy Low-Carb Roasted Rhubarb

✔  Gluten free
✔  Dairy free
✔  Egg free
✔  Nut free
✔  Nightshade free
✔  Pork free
✔  Avocado free
✔  Coconut free
✔  Fish free
✔  Shellfish free
✔  Beef free

Nutritional values (per serving, about 6 pieces)

Net carbs4 grams
Protein1.1 grams
Fat0.2 grams
Calories29 kcal
Calories from carbs 71%, protein 19%, fat 10%
Total carbs6.1 gramsFiber2.1 gramsSugars1.3 gramsSaturated fat0.1 gramsSodium5 mg(0% RDA)Magnesium14 mg(4% RDA)Potassium341 mg(17% EMR)

Ingredients (makes 6 servings)

  • 700 g rhubarb, forced for pink or field-grown (1.5 lbs)
  • 1/3 cup granulated Allulose (67 g/ 2.4 oz)
  • 1 tbsp grated ginger
  • 1 whole vanilla pod or 1/2 tsp vanilla bean powder
  • Optional to serve: whipped cream, sour cream, creme fraiche, yogurt or coconut yogurt


  1. Preheat the oven to 180 °C/ 355 °F (fan assisted), or 200 °C/ 400 °F (conventional). Cut the rhubarb into finger-sized pieces. Using a sharp knife, cut the vanilla pod lengthwise and scrape the tiny seeds out.
  2. Place in a baking tray and add the grated ginger, vanilla seeds and vanilla pod. Evenly sprinkle with Allulose.
    Note: You can use other sweeteners such as Erythritol or Swerve. allulose is the best option as it will make the sauce more syrupy without any aftertaste. Easy Low-Carb Roasted Rhubarb
  3. Cover with a foil, place in the oven and bake for 15 minutes. Remove from the oven, shake to combine and cover in the syrup. Remove the foil and return into the oven to bake for another 5 to 8 minutes. The rhubarb should feel tender, not mushy, and it should still keep its shape. Easy Low-Carb Roasted Rhubarb
  4. Place the rhubarb on a plate with a tablespoon of syrup drizzled on top. Serve hot or cold with whipped cream, sour cream, creme fraiche, yogurt, coconut yogurt or some keto ice cream. To store, let it cool down, transfer to a smaller container, seal and refrigerate for up to a week. Easy Low-Carb Roasted Rhubarb

Ingredient nutritional breakdown (per serving, about 6 pieces)

Net carbsProteinFatCalories
Rhubarb, raw
3.2 g1.1 g0.2 g25 kcal
Ginger root, fresh
0.2 g0 g0 g1 kcal
Vanilla extract, powder (vanilla bean)
0 g0 g0 g1 kcal
Allulose, natural low-carb sweetener
0.6 g0 g0 g2 kcal
Total per serving, about 6 pieces
4 g1.1 g0.2 g29 kcal

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Martina Slajerova
Creator of

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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