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Paleo Blueberry Crumble Bars

Paleo Blueberry Crumble Bars

Grain-Free Blueberry Crumble Bars

Grain-Free, Gluten-Free, Nut-Free, Paleo

Print Recipe

Hooray! These Paleo blueberry bars are always in season!

Blueberry bars are a fun cross between breakfast, a snack, and a dessert! Crisp buttery crust meets tangy fruit in this wondrous bar. Filled with delicious, juicy berries, we have a little secret: you don't need to wait for this fruit to be in season! This recipe works perfectly well with frozen berries. 

Prep Time: 15 minutes
Cook Time: 45 minutes
Total Time: 1 hour
Serves: 9


Crust and Crumb Topping:

Berry Filling:

  • 2 cups fresh blueberries or 10 oz. frozen (thaw before using, no need to drain)
  • Juice of ½ a lemon (optional)
  • 1/3 cup coconut sugar or regular sugar
  • 2 teaspoons tapioca or arrowroot starch
  • ½ teaspoon vanilla or almond extract (optional)


  1. Preheat the oven to 375°F.
  2. Place parchment paper on the bottom of the 8x8 pan so that it hangs over the side of the pan. (This will make it way easier to remove the bars after cooking.)
  3. To make the crust/crumble, stir together the sugar, cassava flour, baking powder and salt in a medium bowl.
  4. Using a fork or a pastry cutter, cut the cold butter into the flour mixture. Work with the dough until the pieces are very small. The dough will be crumbly. You can also pulse in a food processor until you get pea-sized crumbs.
  5. In a separate bowl, beat the egg and vanilla with a fork. Add to the flour mixture and combine until you have a crumbly mixture.
  6. Press and pat down half of the dough evenly into the bottom of the prepared pan. Set aside in the refrigerator.
  7. To make the filling, stir together 1/3 cup sugar and tapioca or arrowroot in a bowl. Stir in the blueberries and mix well.
  8. Spoon the berry mixture evenly over the bottom crust.
  9. Crumble the remaining crumb mixture over the top of the berry filling layer.
  10. Bake in a preheated oven for 40-45 minutes, or until the top is slightly golden brown.
  11. Allow to cool and then pop in the refrigerator to completely set up. Keep in refrigerator until ready to serve. Enjoy!

How To Store Blueberry Bars

These bars are best served fresh, but store any leftovers in a closed container in the refrigerator.  Keep in mind that they could lose some of their crispiness after about a day, but they’re still delicious!  Expect a more tender and soft base and crumble when eating any leftovers.

Can I use Frozen Blueberries?

Yep, go for it! You can also use just about any berry you want or even mixed berries. You don't need to wait for fruit to be in season. Make them your own!