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Home » Desserts » Blackberry Crumble Bars (Gluten Free, Vegan).

Blackberry Crumble Bars (Gluten Free, Vegan).

Jun 8, 2018 · Modified: Jun 2, 2023 by Kelly Roenicke · 8 Comments

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These blackberry crumble bars are a perfect way to use summer berries! The buttery, crunchy oat topping is just irresistible! These delectable bars are gluten free and vegan. 

vegan gluten free blackberry bars

It’s summer time, and that means it’s time to break out all the berry recipes! Strawberry shortcake, blueberry ice cream, and these amazing blackberry crumble bars.

This is the perfect recipe for you if you love berry desserts, but are too busy to make a pie. Or just don’t feel like making a pie. There’s no chilling of the dough, no rolling of the crust. This is an easy blackberry crumble that has tons of flavor, but requires little work.

The blackberry filling is perfectly complemented by the crispy, buttery, sweet, oat crust and topping. It’s very easy to make, and it’s so delicious.

The other great thing about this dessert is that it’s suitable for a variety of diets. It’s vegan, gluten free, egg free, nut free, and top 8 allergen free.

Jump to:
  • Ingredient Notes
  • Step by Step Instructions
  • Tips for Success
  • Toppings
  • More Berry Recipes
  • Recipe
fresh blackberries in carton

Ingredient Notes

  • Blackberries – You’ll want to get beautiful, sweet, fresh blackberries at the store or at your farmer’s market. Now, if you’re in a pinch, frozen berries will work for this recipe, but I find frozen berries to be a little bit tart, so you may have to adjust the amount of sugar. Blackberries should be very plump and dark purple-black. This article has more information about picking out ripe berries.
  • Sugar – I used brown sugar in this recipe, but you could even use coconut sugar or date sugar to make this dessert refined sugar free. I haven’t tried this with sugar substitutes, so I don’t know if that would work or not.
  • Certified Gluten Free Oats – Oats are naturally gluten free. However, many brands of oats may be processed in such a way that they are cross-contaminated with wheat or other gluten-containing grains. Make sure you only purchase oats that are made in a gluten free facility, and are certified gluten free. You can read more about the safety of oats here.
  • Vegan Buttery Spread – We like Earth Balance Soy Free Vegan Buttery Spread for baking. You could also use the baking sticks if you prefer.

Step by Step Instructions

  1. Make the crust mixture with gluten free oats, gluten free flour, sugar, and vegan buttery spread. Press half of that crust into an 8×8 pan that’s been lined with parchment paper. Use your fingers to press the crust down firmly into the bottom and corners of the pan.
oat crust in pan
  1. After baking the bottom crust for a few minutes, add the fresh blackberries to the pan.
blackberry crumble before baking
  1. Add another layer of buttery, crispy, oat mixture on top. Press it down, pop it in the oven, bake at 375 degrees F, and soon you’ll have a warm pan of delicious blackberry crumble bars.
blackberry crumble bars

Tips for Success

  • Don’t forget to use parchment paper – that will make it much easier to get the bars out of the pan.
  • If you want to slice these into bars, you do need to wait for them to cool completely. If you’re not worried about perfect squares, go ahead and spoon it out of the pan while it’s warm!

Toppings

These blackberry crisp bars are wonderful plain, or topped with dairy free ice cream, dairy free whipped topping, or even whipped coconut cream.

vegan blackberry crumble bar recipe

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More Berry Recipes

  • Patriotic Berry Tart with Cookie Crust
  • Cranberry Blueberry Crisp
  • Berry Beautiful Smoothie
  • Blueberry Crumble Bars

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Recipe

gluten free vegan blackberry crumble bars

Blackberry Crumble Bars (Gluten Free, Vegan).

Kelly Roenicke
These gluten free vegan blackberry crumble bars are a wonderful summer dessert for all to enjoy! Eat them plain or with vanilla ice cream for a delicious treat. 
5 from 4 votes
Print Recipe Pin Recipe
Prep Time 10 minutes mins
Cook Time 40 minutes mins
Total Time 50 minutes mins
Course Dessert
Cuisine Dairy Free, gluten free, vegan.
Servings 9
Calories 329 kcal

Ingredients
 
 

  • 2 ½ cups certified gluten free oats
  • ¼ cup gluten free flour all purpose flour works as well
  • ¾ cups brown sugar or coconut sugar
  • ¼ teaspoon sea salt
  • 1 cup vegan buttery spread cut into cubes
  • 2 ½ cups fresh blackberries rinsed and dried
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Instructions
 

  • Preheat the oven to 375 degrees F. Line an 8×8 pan with parchment paper so that it hangs over two sides. 
  • Put the gluten free oats, gluten free flour, vegan buttery spread, brown sugar, and salt in a large bowl. 
  • Using a pastry cutter or two forks, mix the ingredients together until it resembles large crumbs. 
  • Place half of the crumbs in the bottom of the prepared pan. Use your hands to pat it down firmly.
  • Bake the bottom crust at 375 degrees F for 15 minutes. Remove from oven.
  • Put the blackberries on top of the crust, and evenly distribute them. Top with the remaining crumble mixture, patting it down lightly.
  • Bake at 375 degrees for 25-50 minutes, until the berries are bubbling and the crumb topping is golden brown.
  • If you plan to slice this into neat bars, be sure to let it cool completely. Otherwise, you can use a spoon to scoop it out and enjoy it while it is warm. 

Notes

Store any leftover bars in the refrigerator. They will keep well for about five days. 
You could also freeze leftovers. I recommend wrapping the bars in plastic wrap and then storing in a freezer bag. 
If you don’t need to be dairy free, this recipe will work very well with regular butter. 
If you’d like to make this without refined sugar, try coconut sugar or date sugar. 
If you don’t have blackberries, try this recipe with raspberries or blueberries.
 

Nutrition

Calories: 329kcalCarbohydrates: 39gProtein: 3gFat: 18gSaturated Fat: 4gSodium: 233mgPotassium: 177mgFiber: 4gSugar: 20gVitamin A: 1045IUVitamin C: 8.4mgCalcium: 41mgIron: 1.5mg
Keyword easy, summer dessert recipe
Tried this recipe?Leave a comment below and tag @prettybeeblog on instagram!

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Filed Under: Dairy Free, Desserts, food, Gluten Free, Nut Free, Recipes, Sweets, Vegan Tagged With: Dairy Free, Egg Free, Fish Free, Garlic Free, Gluten Free, Mustard Free, Nightshade Free, Onion Free, Peanut Free, Sesame Free, Shellfish Free, Soy Free, top 8 allergy free recipe, Tree Nut Free

  • Author
  • Recent Posts
Kelly Roenicke
Kelly Roenicke
Mom to two boys with food allergies and sensitivities, Kelly is passionate about allergy friendly cooking and baking. She believes that you can enjoy amazing, easy recipes even when cooking for multiple food allergies.
Kelly Roenicke
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Reader Interactions

Comments

  1. Lola

    February 15, 2021 at 5:13 pm

    5 stars
    Turned out great. I used blackberries and raspberries. Also coconut sugar and butter. Will make again. Might add pecans next time.

    Reply
  2. Marina

    June 18, 2018 at 5:57 pm

    5 stars
    I’ve made it twice so far. Both times it came out excellent. First time I made it with only blackberries and second time with blueberries and blackberries. My kids loooved it either way. Super simple recipe with great results!

    Reply
    • Kelly Roenicke

      June 20, 2018 at 3:03 pm

      I’m so happy you loved it!

      Reply
  3. Michelle

    June 12, 2018 at 4:44 pm

    These look delicious! Do you think I could mix raspberries with the blackberries?

    Reply
    • Kelly Roenicke

      June 13, 2018 at 7:52 am

      Yes, that would be delicious!

      Reply
  4. Jamie @ Dishing Out Health

    June 12, 2018 at 4:32 pm

    5 stars
    These are totally speaking to me for summer. And these photos are gorg!

    Reply
    • Kelly Roenicke

      June 13, 2018 at 7:52 am

      Thank you, Jamie!

      Reply
  5. Elizabeth

    June 11, 2018 at 7:47 pm

    5 stars
    What a great recipe for summer! I love the addition of fresh berries, it just sings the season! And great tip about using frozen berries, too!

    Reply

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Hi! I’m Kelly, and I believe that you can enjoy amazing, easy recipes even when cooking for multiple food allergies.

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