Blackberry Pie Crumble Bars
Hey there! If you’re anything like me, you’re probably a sucker for those sweet, fruity treats that hit all the right notes, tart, sweet, crispy, and just a tad indulgent. Well, today I’m chatting about a recipe that’s become a staple in my kitchen: blackberry pie crumble bars. They’re basically a mash-up of your favorite berry pie and a buttery crumble, all in a portable bar form. Trust me, once you try these, they might just become your new go-to dessert or snack.
So, grab a cup of coffee or tea, and let’s talk about how to make these delicious bars that will wow your taste buds and impress your friends. FYI, they’re super easy to make, and I’ll walk you through every step.
Why You’ll Love Blackberry Pie Crumble Bars
Before we dive into the recipe, let’s chat about why these bars are a game-changer.
- Flavor explosion: The tartness of fresh or frozen blackberries balances perfectly with the sweet crumble topping.
- Portability: No forks needed! Pack them for picnics, lunchboxes, or just a quick sweet fix on the go.
- Customizable: You can swap blackberries for blueberries, raspberries, or even a mix, whatever floats your boat.
- Easy to make: No fancy equipment, just basic baking tools and a handful of ingredients.
Honestly, I’ve made these more times than I can count, and each batch disappears faster than you can say “dessert.” Plus, they store well, so you can enjoy them over several days, more on that later.
Ingredients You Need for Blackberry Pie Crumble Bars
Gather these simple ingredients, and you’re all set:
For the Crust and Crumble Topping:
- 2 cups rolled old-fashioned oats
- ¼ cup pure maple syrup
- 1 teaspoon baking powder
- 1 ½ teaspoons ground cinnamon
- ½ teaspoon sea salt
- 2 tablespoons coconut oil, melted
For the Filling:
- 2 ripe bananas, mashed (adds natural sweetness and moisture)
- 2 cups fresh or frozen blueberries (divided)
- 2 cups unsweetened vanilla almond milk
- 1 tablespoon ground flaxseed (or 1 large egg if you prefer)
- 2 teaspoons vanilla
For Serving (optional but recommended):
- Additional blueberries
- Nut butter (peanut, almond, you name it)
- Extra maple syrup
How to Make Blackberry Pie Crumble Bars
Now let’s get down to business. Follow these steps, and you’ll have a batch of irresistible bars in no time.
Step 1: Prep Your Oven and Pan
Set your oven to 375°F (190°C). Spray an 8-inch square baking dish with non-stick spray or line it with parchment paper. This makes life easier when you’re ready to serve.
Step 2: Mix the Crust and Crumble
In a large bowl, combine the oats, baking powder, cinnamon, and sea salt. Stir well to distribute everything evenly.
In a small bowl, whisk together the melted coconut oil and maple syrup. Pour this into the dry ingredients and mix until crumbly. This mixture will be your crust and crumble topping, so aim for a texture that’s crumbly but holds together when pressed.
Step 3: Prepare the Filling
In a medium bowl, mash the bananas until smooth. Add the almond milk, ground flaxseed (or egg), vanilla, and stir until well combined.
Fold in 1 cup of the blueberries gently. These will give the filling that gorgeous purple hue and burst of berry flavor.
Step 4: Assemble the Bars
Pour the filling into your prepared baking dish. Use a spatula to spread it evenly.
Sprinkle the remaining 1 cup of blueberries over the top. Then, evenly distribute the crumble mixture over the berries, pressing it down lightly with the back of a spoon.
Step 5: Bake to Perfection
Pop the dish into the oven and bake for about 40 to 55 minutes. The edges should be golden brown, and the center set. Keep an eye on it; if it starts to brown too quickly, loosely cover it with foil.
Once baked, let it cool for at least 15 minutes. This makes slicing much easier and prevents the bars from falling apart.
Step 6: Serve and Enjoy
Cut into squares and serve topped with extra blueberries, a drizzle of maple syrup, or a smear of nut butter. Honestly, I often add all three for a little flavor explosion.
Storing and Reheating Tips
Got leftovers? No worries. These bars store beautifully.
- Refrigerate in an airtight container for up to 5 days.
- To reheat, cover with foil and warm in a 350°F oven for about 20 minutes. For single servings, pop them in the microwave for 30-60 seconds. Just be careful not to overdo it or they’ll lose their crispiness.
If you want to keep them longer, you can freeze individual bars wrapped tightly in plastic wrap and stored in a freezer-safe bag. They’ll stay good for up to a month. To enjoy, thaw at room temperature or reheat from frozen.
Tips and Tricks for Perfect Bars
- Use fresh berries if possible, they give a brighter flavor. But frozen works just fine, FYI. Just defrost and drain excess moisture.
- Adjust sweetness by adding a little honey or more maple syrup if your berries aren’t super ripe.
- For a nutty twist, sprinkle chopped nuts like walnuts or almonds over the crumble before baking.
- Want a gluten-free version? Use certified gluten-free oats, and your bars are good to go.
Final Thoughts
Honestly, blackberry pie crumble bars are a delightful way to enjoy berries that’s both satisfying and easy to whip up. They’re perfect for breakfast, dessert, or a snack that feels indulgent but is actually pretty wholesome.
Once you make these a couple of times, you’ll realize how flexible and forgiving the recipe is. Plus, they make your kitchen smell incredible while baking, like a cozy berry paradise.
So, what are you waiting for? Grab those blackberries and oats, and get baking! Trust me, your taste buds will thank you. And hey, don’t forget to share a few with friends, because everything tastes better when it’s shared, right? 😊
Happy baking!
9
servings20
minutes55
minutes280
kcalIngredients
2 cups rolled old-fashioned oats
1/4 cup pure maple syrup
1 teaspoon baking powder
1 1/2 teaspoons ground cinnamon
1/2 teaspoon sea salt
2 tablespoons coconut oil, melted
2 ripe bananas, mashed
2 cups fresh or frozen blueberries, divided
2 cups unsweetened vanilla almond milk
1 tablespoon ground flaxseed (or 1 large egg)
2 teaspoons vanilla
Additional blueberries (optional, for serving)
Nut butter (optional, for serving)
Extra maple syrup (optional, for serving)
Directions
- Preheat oven to 375°F (190°C). Spray an 8-inch square baking dish with non-stick spray or line with parchment paper.
- Make the crust/crumble: In a large bowl, combine oats, baking powder, cinnamon, and sea salt. Stir to evenly distribute.
- Whisk the melted coconut oil and maple syrup, then pour into the dry ingredients. Mix until crumbly (stir well so it holds together when pressed).
- Make the filling: In a medium bowl, mash bananas until smooth. Add almond milk, flaxseed (or egg), and vanilla; stir until well combined.
- Gently fold in 1 cup of the blueberries.
- Assemble: Pour filling into the prepared baking dish and spread evenly. Sprinkle remaining 1 cup blueberries over the top.
- Evenly distribute the crumble mixture over the berries and lightly press with the back of a spoon.
- Bake 40 to 55 minutes, until edges are golden and the center is set. If browning too quickly, loosely cover with foil.
- Cool at least 15 minutes before slicing to help the bars hold their shape.
- Serve as squares with extra blueberries, a drizzle of maple syrup, and/or nut butter if desired.
Notes
- Let the bars cool fully before cutting for clean squares. Store airtight in the refrigerator up to 5 days; reheat at 350°F for about 20 minutes (or microwave 30–60 seconds) and cover with foil to prevent over-browning.

