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    Home » Dessert

    Published: Jul 1, 2021 · Modified: Mar 12, 2022 by Meryl Downing 2 Comments

    Healthier Berry Rhubarb Crisp - Gluten Free

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    Berry Rhubarb Crisp (gluten free!) is a favorite summer treat! While rhubarb usually implies a ton of sugar, this recipe has been lightened up, with the sweetness coming from the berries, a touch of honey, and far less brown sugar. The warm filling with the crispy oat topping and a scoop of vanilla ice cream is truly heavenly, you won't notice it's a healthier version! Absolutely delicious, only 15 minutes to prep, and just 8 quality ingredients, you'll want to make this year after year!

    Berry Rhubarb Crisp with gluten free oat topping next to a bowl of mixed berries.

    A Summer Classic with Healthier Swaps

    • A Healthier Mixed Berry Rhubarb Crisp - A favorite summer dessert! While rhubarb usually implies cups and cups of sugar, this recipe fixes that! The tart rhubarb is balanced with the natural sweetness of the berries, just a touch of honey, and far less sugar than most rhubarb recipes!
    • Gluten Free Rhubarb Crisp - The topping has been made healthier too! This recipe is kept completely gluten free by substituting almond flour for regular flour. More nutritious and adds great flavor too!
    • If you Love Healthier Desserts, be sure to try my Black Bean Protein Brownies and our favorite Double Chocolate Zucchini Muffins!
    A plate of flourless rhubarb crisp with ice cream next to the pan of it and a bowl of berries.

    Ingredients

    Healthy rhubarb crisp ingredients on a cutting board.
    • Rhubarb - If you grow rhubarb, or if you have a neighbor who does, you know you usually need to add gobs of sugar just to use it! Rhubarb is tart, but this recipe balances that tartness with the sweetness of the berries and just a bit of honey and brown sugar.
    • Berries - You can use any combination of berries you have including strawberry, raspberry, mulberry, blackberry, blueberry or black raspberry. This is a great recipe to make after you've gone berry picking! Rhubarb is usually in season at the same time as strawberry, but store-bought or frozen berries are fine to use too. The recipe uses 3 cups of rhubarb with 2 cups of berries, but this does not need to be exact, any combination totaling 5 cups is fine. More berries will increase the sweetness, while more rhubarb will increase the tartness, so you can adjust the honey amount if you like.
    • Honey - Instead of loads of white sugar, ⅓ cup of honey is all that's needed to sweeten the filling!
    • Cornstarch - A bit of cornstarch acts as a binder, thickening the juice in your berries to make the filling.
    • Rolled Oats - Oats form the base of the topping, adding fiber and protein. If you need to guarantee this recipe to be gluten free, make sure your oats are labeled gluten free.
    • Almond Flour - The almond flour replaces the standard all purpose flour to make this a gluten free rhubarb crisp. Not only is this flourless rhubarb crisp healthier, the almond flour gives you delicious nutty flavor. If you aren't worried about it being gluten free, regular flour is fine to use.
    • Brown Sugar - A bit of brown sugar is needed to sweeten the topping, but it's far less than what is often used in rhubarb crisp recipes.
    • Butter - A stick of cold butter, chopped into cubes combines with the dry ingredients to form the crumbly topping. While the oats, almond flour and less sugar make the topping healthier, it's still a decadent treat, not short on butter!

    Instructions

    Step 1 - Berry Rhubarb Crisp takes just 15 minutes to put together, and is so fun for kids to help! First, mix up the healthy fruit crisp filling in a large bowl and pour it into a square baking dish.

    A bowl of berry rhubarb filling next to a bowl of gluten free oat topping.

    Step 2 - Then mix the dry topping ingredients together in a bowl and add in your cold cubed butter. With a pastry cutter, a fork, or my favorite, your hands, work the butter into the dry ingredients to form a crumble. Work quickly so the warmth of your hands doesn't melt the butter. The butter pieces should be about pea sized. Lightly spread it over your filling in the baking dish. No need to press the topping down evenly, leave the top a bit craggy to get those crispy peaks when baked.

    The process of pouring the oat topping onto the rhubarb berry filling.

    Step 3 - Bake your mixed berry rhubarb crisp for 40 minutes. Allow to cool slightly and serve with vanilla ice cream.

    A red baking dish of finished berry rhubarb crisp with a wooden spoon and a bowl of berries.

    Storage Instructions

    • Storage - Store leftover rhubarb crisp in an airtight container in the fridge for up to 3 days.
    • Freezer Instructions - There are a few options for freezing this healthy berry crisp. The completed baked crisp can be portioned into containers, cooled in the fridge, and frozen for up to 6 months. Thaw overnight in the refrigerator and warm in the microwave to reheat. You can also freeze the entire pan unbaked. Cover it with tin foil and then put the whole pan in a plastic bag and tie it up tightly, a leftover grocery or bun bag works well. Thaw in the fridge overnight and then bake as instructed.

    Freezing Rhubarb

    If you grow your own rhubarb, or even if you have a neighbor who does, you know you will have mountains of it! The good news is, it freezes well. Just wash and chop it and freeze it on a baking sheet lined with parchment paper. Then transfer it to a container or freezer bag. Pull in out in the middle of winter, along with some frozen berries and make a January Berry Rhubarb Crisp! No need to thaw before baking.

    A close up of a serving of berry rhubarb crisp with vanilla ice cream on a plate.

    Tips & Variations

    • Fruit Variations - While the combination of rhubarb and berries in fantastic, this healthy fruit crisp is very versatile! You need to have a total of 5 cups for the filling. This could be a combination that includes some rhubarb with chopped apple, pear, or cherry. You could also do an all blackberry rhubarb crisp, or whatever type of berry you have a lot of!
    • Breakfast Crisp - With a good amount of healthier ingredients like fruit, oats, and almond, leftover healthy berry crisp is delicious warmed up and eaten for breakfast with a scoop of plain yogurt! Especially with yogurt, this is a high protein berry crisp, similar to having a yogurt parfait with granola and berries for breakfast!

    More Favorite Summer Treats!

    • Strawberry Shortcake Recipe
    • Healthy Zucchini Banana Cookies
    • Mulberry Freezer Jam
    • Homemade Popsicles for Kids!

    Did You Make This Recipe?

    I’d love to hear what you think! Leave a star rating and a comment below, or tag me in a pic @sungrown_kitchen!

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    Berry Rhubarb Crisp with gluten free oat topping next to a bowl of mixed berries.

    Healthier Berry Rhubarb Crisp - Gluten Free

    Meryl Downing
    Berry Rhubarb Crisp is a favorite summer treat! While rhubarb usually implies a ton of sugar, this recipe has been lightened up, with the sweetness coming from the berries, a touch of honey, and far less brown sugar. The warm filling with the crispy oat topping and a scoop of vanilla ice cream is truly heavenly, you won't notice it's a healthier version!
    5 from 1 vote
    Print Recipe Pin Recipe
    Prep Time 15 mins
    Cook Time 40 mins
    Total Time 55 mins
    Course Dessert
    Cuisine American
    Servings 9

    Ingredients
      

    For the Filling

    • 3 cups rhubarb chopped
    • 2 cups berries any combination of strawberry, raspberry, mulberry, blackberry, blueberry
    • ⅓ cup honey
    • ¼ cup cornstarch

    For the Topping

    • 1½ cup rolled oats
    • ½ cup almond flour
    • ⅓ cup brown sugar
    • ½ cup cold butter cubed

    Instructions
     

    • Preheat oven to 375°.
    • In a large bowl, combine all ingredients for filling and mix well. Strawberries can be sliced, other berries can be left whole. Add to a 9x9 baking dish.
    • In another bowl, add all ingredients for the topping and mix with a pastry cutter, a fork, or your hands. Work the butter into the dry ingredients to form a crumb-like consistency. Sprinkle the topping evenly over the filling.
    • Bake at 375° for 40 minutes. Allow to cool slightly, and serve with vanilla ice cream.

    Notes

    • The rhubarb and berry amounts don't need to be exact, they just need to total 5 cups.
    • If you don't have almond flour, any gluten free flour is ok, or you can use all purpose flour if you don't need it to be gluten free.
    • Storage - Store leftover rhubarb crisp in an airtight container in the fridge for up to 3 days.
    • Freezer Instructions - The completed baked crisp can be portioned into containers, cooled in the fridge, and frozen for up to 6 months.  Thaw overnight in the refrigerator and warm in the microwave to reheat.  You can also freeze the entire pan unbaked.  Cover it with tin foil and then put the whole pan in a plastic bag and tie it up tightly, a leftover bun or grocery bag works well.  Thaw in the fridge overnight and then bake as instructed.
    Keyword healthy berry crisp, rhubarb crisp, Summer dessert

    More Dessert Recipes

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    1. Ann says

      May 28, 2022 at 3:43 pm

      5 stars
      Made this last night for dessert. So easy and so delicious. Made with strawberries and blueberries. Try it----you'll love it!!!

      Reply

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