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    Home

    Sugar Free Rhubarb Flatbread

    Published: Oct 9, 2023 · Modified: Feb 17, 2025 by Foodywise Editorial Team · This post may contain affiliate links · Leave a Comment

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    This rhubarb flatbread has a perfectly balanced sweet and sour flavor; it will warm you up and make you feel at home no matter where you are. AND it contains zero added sugars. It can't get better than that!

    There's something magical about the snowy winter afternoons when you pour hot tea into your favorite mug, take the softest blanket and an inspiring book, and all of a sudden, all the hustle disappears, just like the muddy ground under the white blanket of snow. This is the moment to enjoy a sweet homemade rhubarb flatbread that brings up warm memories and makes you feel cozy and safe. This rhubarb flatbread will be your best companion on those winter days.

    Flatbread slices on a tea towel and a hand and a book in the foreground.

    Why sugar-free?

    Well, why use sugar if you can achieve the same level of sweetness without it?

    Ever since we removed sugar from our meals, we have been experimenting with our once-favorite recipes to see if they could be kept on our menu with some adjustments (check our Cinnamon Brioche Rolls, for instance). This is one of the "survivals" we incorporated into our sugar-free menu by replacing sugar with allulose. It doesn't always work, but it does perfectly for this recipe.

    If you don't have allulose, feel free to use monk-fruit sweetener or a blend of both. However, allulose usually works best for baked products.

    This recipe is a variation of our all-time favorite apple sheet cake recipe.

    Flatbread slices on a tea towel, a hand picking one of them.

    Ingredients

    To make this rhubarb flatbread, you'll need the following ingredients.

    Ingredient bowls for a rhubarb flatbread.

    For the crust:

    • 180 g butter
    • 80 g sour cream
    • 1 tsp baking powder
    • 400 g wheat flour

    For the rhubarb cream:

    • 500 g sour cream
    • 1 egg
    • 1 glass allulose
    • 600-700 g rhubarbs (or apples/other fruits or berries that are rather sour)
    • 1 tsp cinnamon powder (optional but highly recommended)

    Instructions

    • Start by making the crust: combine all the ingredients of the crust in a large bowl, using your hands or a stand mixer. It's great to make the dough with your hands by putting all your love into the process and feeling how flexible and responsive the dough is to your touch. 🙂
    • Spread the dough onto a lined baking tray. The measurements of our baking tray are 13x15 inches, and this recipe will give you a nice thin crust with this tray size.
    • Preheat the oven to 355 ℉ (180 ℃).
    • Meanwhile, prepare the rhubarb cream: remove the skin from the rhubarbs and chop them into ~0.5x0.5 inch pieces. Take a medium-sized bowl and combine all the ingredients of the cream until smooth and uniform, then add the chopped rhubarb.
    • Pour the rhubarb cream over the crust and sprinkle with cinnamon. Cinnamon is optional; however, we highly recommend adding it for that warm, Christmas-like feeling.
    • Bake for 50 minutes (or until golden brown). The 50-minute timing has always worked perfectly for us.
    • Enjoy with your favorite beverage!
    Flatbread slices on a tea towel.

    Sugar Free Rhubarb Flatbread

    Foodywise Editorial Team
    Print Recipe Pin Recipe
    Prep Time 40 minutes mins
    Cook Time 50 minutes mins
    Total Time 1 hour hr 30 minutes mins
    Course Dessert
    Servings 12

    Ingredients
      

    Crust

    • 180 g butter
    • 80 g sour cream
    • 1 teaspoon baking powder
    • 400 g wheat flour

    Cream

    • 500 g sour cream
    • 1 egg
    • 1 glass allulose
    • 600 g rhubarbs
    • 1 teaspoon cinnamon powder (optional but highly recommended)

    Instructions
     

    Prepare the crust

    • Either by hand or using a stand mixer, combine the ingredients of the crust. The dough needs to be uniform, non-sticking, and rather flexible.
    • Take a baking tray, lined with parchment paper, and spread the dough evenly.

    Prepare the cream

    • In a medium-sized bowl, combine the ingredients of the cream until smooth and uniform. Make sure there are no clumps from the flour.
    • Chop rhubarb rather finely (~0.5x0.5 inch) and mix with the cream.

    Bake the flatbread

    • Preheat oven to 355 ℉ (180 ℃).
      Distribute the rhubarb cream evenly on the surface of the crust.
      Sprinkle with cinnamon (optional).
    • Bake for 50 minutes.
    • Let it cool slightly and serve.

    Video

    Notes

    • If the dough tears easily and is not flexible at all, it means there's too much flour in it. If the dough is sticky and rather wet, add more flour.
    • For the best result, when spreading the dough onto the baking tray, shape a little edge all around so the cream doesn't touch the sides of the baking tray (this is optional though).
    • The same recipe can be used with apples, raspberries, and other fruits or berries that are slightly sour.
    • This flatbread tastes incredibly well on the first and the following day(s) when stored in the fridge. It only gets better!
    • If you don't mind adding sugar instead of allulose, use an equal amount of sugar.
    • Use fresh or frozen rhubarbs. It is advised to defrost them before baking and to remove the excess liquid.
    Keyword rhubarb
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