There’s something about a chilled berry crumble bar that tastes like summer simplicity – with just the right touch of nostalgia. These Gluten-Free (and easily made Dairy-Free) Berry Crumble Bars strike the perfect balance between wholesome and indulgent, making them a go-to for brunch spreads, afternoon snacks, or even a not-too-sweet dessert. Made with a hearty oat and gluten free flour base, naturally sweetened with coconut sugar, and layered with a thick, jammy blend of fresh berries, this is the kind of recipe that tastes like you spent hours – but comes together with ease.

Whether you’re meal-prepping for the week or hosting a laid-back breakfast with friends, this is the kind of recipe that disappears quickly and keeps people asking for more. And if you’re someone who loves a little practicality, here’s a good tip : these bars are even better straight from the fridge. That chilled texture makes them slice beautifully, hold their shape, and deliver bite after bite of delicious goodness!

Why You’ll Love These Gluten-Free Berry Crumble Bars

• Make-Ahead : perfect for prepping the night before (they only get better with time in the fridge)
• Gluten-Free and Dairy-Free Optional : easily modified to fit allergies / preferences
• Versatile : use whatever berries you have on hand (even frozen)
• Just Sweet Enough : serve with brunch or dress up as dessert (try it with vanilla bean ice cream)
• Double Up : I highly recommend doubling the filling recipe – it’s the same recipe I use for homemade jam that is perfect for having on hand for toast, bagels and even homemade pop tarts!

These bars were born out of a love for all things simple, seasonal, and oh so satisfying! Keep reading for a few tips on how to get the crumble just right – and don’t forget to bookmark this for your next brunch menu or weekend bake.

Tips for Success

• Don’t skip the chilling time – these truly are best after a long rest in the fridge.
• Line your baking dish with parchment paper for easy lifting and clean slicing (bonus if it’s unbleached!)
• Want extra texture? Add chopped pecans or walnuts to the crumble.

Serving Ideas

• Pair with your favorite latte for an easy weekday or weekend treat.
• Layer into a brunch board with fruit, muffins, and bite-sized quiche.
• Warm a bar and top with ice cream (I love Ice Cream for Bears) for a quick dessert, and pair with a Late Harvest Zinfandel or rosé Champagne if you want something a bit lighter.
• Pre-cut and package them individually for a quick grab-and-go snack!

Bringing joy to the table is what it’s all about. If you make these berry crumble bars, I’d love to hear how they turn out – snap a photo, tag me, or drop a comment below! Recipes like this one are meant to be shared, savored, and made on repeat.

Gluten-Free Berry Crumble Bars

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• Author: Caitlin
• Prep Time: 45 minutes
• Cool Time: 8 HR
• Cook Time: 50 – 55 MIN
• Total Time: 1 H 40 MIN
• Yield: 9 – 12 bars
• Diet: Gluten Free

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Description

These gluten-free berry crumble bars are a deliciously simple make-ahead recipe perfect for breakfast, brunch, or dessert. Made with a wholesome oat crumble, naturally sweetened with coconut sugar, and layered with a thick, jammy blend of fresh or frozen berries, each bite is bursting with fruity flavor and cozy texture. They’re easy to prep in advance, slice beautifully when chilled, and can be enjoyed straight from the fridge or warmed up and topped with ice cream for an easy dessert. Perfect for entertaining or simply stocking the fridge with something nourishing and sweet.

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Ingredients

FILLING

• 2 cups fresh blueberries
• 2 cups fresh raspberries
• 1/2 cup coconut sugar
• 1 tbsp orange zest (or other citrus)
• 1 tsp vanilla extract
• 3 tbsp chia seeds

CRUMBLE

• 1 1/2 cups gluten free oats
• 2 cups all purpose gluten-free flour
• 1 cup coconut sugar
• 1/2 tsp sea salt
• 1 cup melted butter (sub with butter infused olive oil or dairy free butter)

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Instructions

1. Make the berry filling : In a medium saucepan over medium heat, combine the berries and coconut sugar. Bring to a gentle oil, then reduce the heat slightly and simmer for about 15 minutes, stirring occasionally. The fruit will break down in to a thick, jam-like consistency. Use a splatter guard or partially cover the pan to prevent any splashing.
2. Add flavor and texture : Once the berry mixture has thickened, remove it from the heat. Stir in the orange zest, vanilla extract, and chia seeds. Set aside to cool slightly.
3. Preheat and prepare the pan : Preheat your oven to 350°F (175°C). Line an 8×8-inch glass baking dish with parchment paper, leaving some overhang for easy removal. This step is essential for clean slicing later.
4. Make the crumble : In a large mixing bowl, whisk together the oats, gluten-free flour, coconut sugar, and sea salt. Pour in the melted butter (or butter-infused olive oil) and stir until the mixture resembles wet sand.
5. Assemble the bars : Press two-thirds of the crumble mixture evenly into the bottom of the prepared baking dish to form a firm base. Spread the berry filling over the crust, then sprinkle the remaining crumble on top, gently pressing it down.
6. Bake and chill : Bake for 50 to 55 minutes, or until the top is golden brown. Remove from the oven and allow the bars to cool completely at room temperature. Once cooled, refrigerate for at least 8 hours or overnight for best texture and flavor.

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