Gluten-Free | Paleo | Refined Sugar-Free | Sugar-Free Option | Dairy-Free | Vegetarian & Vegan Option
Look at these gorgeous blueberry crumble bars. They’re sweet, jammy, fruity, layered over a soft, buttery base and topped with the most delicious golden crumble that makes them so hard to resist. This is my healthier take on the classic crumble bars we all love. They feel bakery-level, but are made with simple, wholesome ingredients and no refined sugar, while still being every bit as comforting and satisfying.
What I really love about these bars is the filling. Instead of using fresh blueberries on their own, I use my homemade blueberry sauce, which gives you a richer blueberry layer with berries that stay beautifully whole. The filling is sweet, tangy, glossy, and full of blueberry flavour, while the crumble adds that perfect soft and slightly crisp finish. It makes the bars look even more special, taste more vibrant, and gives them that lovely jammy, fruity texture that works so perfectly with the crumble.
They’re also much easier to make than they look. You do not need anything complicated here. Just mix, press, layer, crumble, and bake. The filling can also be made ahead, which makes this recipe even easier. I often make my blueberry sauce during the season, keep it in the refrigerator, and use it later in desserts like these bars or simply spread it over bread. Once everything is layered into the pan, the oven does the rest. It’s the kind of recipe that feels impressive, but is actually simple and stress-free.
These healthy blueberry crumble bars are naturally gluten free, dairy free, paleo friendly, and can also be made vegan depending on the sweetener you use in the blueberry sauce. They’re perfect with morning coffee, lovely for afternoon tea, great as a snack, and absolutely good enough for dessert. They’re also perfect for gatherings and parties because you can make them ahead, and they work beautifully for weekend meal prep so you can enjoy them throughout the week.
If you love recipes that feel cozy, homemade, and just a little bit special, these blueberry crumble bars are one you’ll want to make again and again.
Made with wholesome ingredients and no refined sugar, these bars feel bakery-level but are easy to make at home.made with almond and coconut flour, homemade blueberry sauce, which gives you a richer blueberry layer with berries that stay beautifully whole. The filling is sweet, tangy, glossy, and full of blueberry flavour, while the crumble adds that perfect soft and slightly crisp finish. these bars also, paleo, gluten-free, dairy-free, Refined Sugar-Free, sugar-Free option , Vegetarian nad vegan.
Ingredients Needed
- Crumble base
- Almond flour
- Coconut flour
- Coconut oil
- Maple syrup (or sugar-free maple syrup)
- Coconut sugar (or golden monk fruit)
- Lemon zest
- Pinch of salt
Filling
- Blueberry sauce (Homemade Blueberry Sauce in 15 Minutes)
Why You’ll Love These Blueberry Crumble Bars
- Juicy Blueberry Filling with Whole Berries
Instead of using plain fresh berries, these bars use a thick blueberry sauce filling that keeps the berries juicy and glossy while baking. - Perfect Sweet and Tangy Balance
Lemon juice and zest brighten the blueberry flavour and balance the sweetness beautifully. - Soft Crust with a Golden Crumble Topping
The almond and coconut flour create a tender base and a buttery crumble texture that pairs perfectly with the juicy blueberry layer. - Simple to Make, No Special Equipment Needed
The dough comes together quickly in one bowl. Just mix, press the base, add the filling, crumble the topping, and bake. - Filling Can Be Made Ahead
The blueberry filling can be prepared a few days in advance and stored in the fridge, making the bars even easier to assemble. - Naturally Gluten-Free and Grain-Free
Made with almond flour and coconut flour instead of traditional wheat flour. - Paleo Friendly and Refined Sugar-Free
Sweetened with maple syrup, coconut sugar, or monkfruit for a more balanced dessert. - Vegan, Vegetarian, and Dairy-Free
These bars contain no dairy or eggs, making them suitable for vegan and vegetarian diets. - Lower Sugar Option Available
You can easily reduce the sugar by using monkfruit sweetener and sugar-free maple syrup. - Great for Breakfast, Snack, or Dessert
These bars are satisfying enough for a snack, yet delicious enough to serve as dessert. - Perfect for Meal Prep
They store well in the fridge and can be made ahead, making them a great option for busy weeks.
How to Adapt This Recipe to Your Diet
- Gluten-Free
This recipe is naturally gluten-free. - Paleo-Friendly
Made with almond flour, coconut flour, maple syrup, coconut sugar, or pure monkfruit sweetener. - Refined Sugar-Free
The recipe contains no refined sugar and uses natural sweeteners. - Sugar-Free Option
Use monkfruit sweetener and sugar-free maple syrup in the crust and blueberry filling. - Vegan and Dairy-Free
These bars are naturally dairy-free and can be made vegan by using monkfruit sweetener or maple syrup instead of honey in the blueberry sauce.
Healthy Blueberry Crumble Bars Step-by-Step Photos
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Healthy Blueberry Crumble Bars | Gluten Free and Paleo
Ingredients
- Crumble base:
- 2 3/4 cups almond flour 264 g
- 1/4 cup + 1 tbsp coconut flour 35 g
- 1/4 cup coconut oil 55 g
- 1/4 cup + 3 tbsp maple syrup or sugar-free maple syrup 140 g
- 3 tbsp coconut sugar or golden monk fruit 38 g
- Zest of 1 lemon
- Pinch of salt 0.5 g
- Extra for topping ( mixed into the remaining crumble) :
- 1 tbsp maple syrup
- 2 tbsp coconut sugar or golden monk fruit 25 g
- 2 tbsp coconut oil
- 1/3 lemon zest
- Filling:
- 1/2 batch blueberry sauce link to recipe in notes
Instructions
- Prep the pan and ovenLine a 22 cm square pan with parchment paper.Preheat the oven to 160°C fan or (175°C ) for a conventional oven.
- Make the crumble mixtureMix the almond flour, coconut flour, coconut sugar (or monk fruit), lemon zest, and salt.Add the coconut oil and maple syrup. Mix until a crumbly dough forms.
- Bake the basePress 2/3 of the mixture firmly into the pan using a spatula or the back of a measuring cup.Use a fork to gently poke a few holes across the base.Bake for 12–15 minutes.
- Chill the toppingTo the remaining 1/3 mixture, add the extra topping ingredients (maple syrup, coconut sugar or monk fruit, coconut oil, lemon zest). Mix well, then place in the fridge.
- Add filling and bakeSpread the blueberry sauce over the baked crust.Sprinkle the chilled crumble topping evenly over the filling.Bake for 20–25 minutes, until lightly golden and bubbling at the edges.
- Cool and sliceCool in the pan for at least 15 minutes, then lift out and transfer to a board.Slice and serve. The bars set more as they cool.
