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Blueberry Lemon Crumble

by Victoria

A Warm, Sweet & Tangy Dessert with a Buttery Crumb Topping

Hey there, Kitchies! 🫐🍋
If there’s one dessert that always makes my little family smile, it’s a warm fruit crumble fresh out of the oven — especially when the blueberries are bursting and the buttery topping is crisp and golden. This Blueberry Lemon Crumble is everything you want in a dessert — sweet, tangy, cozy, and ridiculously easy to throw together.

The bright lemon flavor perfectly balances the juicy blueberries, while the oat-studded crumble topping adds just the right amount of crunch. It’s one of those desserts that feels fancy… but secretly takes only 10 minutes of prep — no mixer, no fuss, just pure deliciousness.


Why You’ll Love This Blueberry Lemon Crumble

✅ Naturally sweetened option
✅ Can be made gluten-free + vegan
✅ Perfect balance of sweet + tart
✅ Only 10 minutes of prep
✅ Serve it warm with ice cream… or eat it cold for breakfast (because crumble = fruit = totally breakfast, right?)


How This Blueberry Lemon Crumble Became a Family Favorite 💕

One summer afternoon, I had a bowl of sad, almost-too-ripe blueberries sitting in the fridge — you know the ones that everyone promised they’d eat, but didn’t? Instead of letting them go to waste, I tossed them with a little lemon, sugar, and cinnamon… and this crumble was born.

Now, every time I make it, my husband hovers around the oven waiting for the first spoonful. And my little one? He thinks it’s basically blueberry pie without the hard crust — and I’m totally fine with that.


Why This Blueberry Lemon Crumble Will Be Your New Go-To

  • 10 minutes of prep
  • Bursting with juicy, fresh blueberries
  • Crisp oat crumble topping
  • Naturally sweetened with honey or maple syrup
  • Perfect for dessert… or breakfast 😉

Cuisine:

American | Dessert | Summer

Tips for the Best Blueberry Lemon Crumble

  • Use fresh blueberries for the juiciest filling, but frozen works too!
  • Add chopped almonds or walnuts to the crumble for extra crunch.
  • Make sure your blueberries are drained well if using frozen.
  • Serve leftovers cold for breakfast with Greek yogurt + a drizzle of honey.

Substitutions & Variations

IngredientSwap For…Why It Works
BlueberriesRaspberriesMore tart flavor
Almond FlourOat FlourGluten-free option
Maple SyrupCoconut SugarLower glycemic sweetener
ButterCoconut OilVegan option

Make It Healthier 💪

✅ Use coconut oil + maple syrup for a vegan + refined sugar-free crumble
✅ Swap out half the butter with Greek yogurt for a lighter topping
✅ Add chia seeds to the blueberry filling for an extra fiber boost


What to Serve with Blueberry Lemon Crumble

  • Vanilla Ice Cream
  • Coconut Whipped Cream
  • Greek Yogurt
  • Lemon Curd

And there you have it!

This Blueberry Lemon Crumble is the kind of dessert that makes your whole house smell like a bakery — warm, sweet, and a little bit zesty. Whether you’re making it for a cozy family night or brunch with friends, it’s guaranteed to disappear fast.


Save This Recipe for Later 📌

Would you like me to create a Printable Blueberry Lemon Crumble Recipe Card PDF to download? 🍋🫐


Frequently Asked Questions

Can I make this crumble ahead of time?
Yes! Assemble it, cover tightly, and refrigerate for up to 24 hours before baking.

Can I use frozen blueberries?
Absolutely! Just don’t thaw them — toss them with the lemon juice and cornstarch straight from the freezer.

How do I store leftovers?
Keep in an airtight container in the fridge for up to 4 days.

Can I freeze this crumble?
Yes! Bake it, cool completely, then freeze for up to 2 months.


Categories:

Dessert | Summer Recipes | Easy Baking

Tags:

#BlueberryCrumble #HealthyDesserts #SummerBaking #VeganFriendly


If you make this crumble, don’t forget to tag us on Instagram so we can see your gorgeous creations! 📸💙🍋

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Blueberry Lemon Crumble


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  • Author: Victoria

Description

This Blueberry Lemon Crumble is everything you want in a dessert — sweet, tangy, cozy, and ridiculously easy to throw together.


Ingredients

Scale

For the Blueberry Filling:

  • 4 cups fresh or frozen blueberries
  • 2 tbsp lemon juice
  • 1 tsp lemon zest
  • ¼ cup maple syrup or honey
  • 1 tbsp cornstarch (or arrowroot powder for gluten-free)
  • ½ tsp cinnamon

For the Crumble Topping:

  • 1 cup rolled oats
  • ½ cup almond flour (or all-purpose flour)
  • ¼ cup coconut sugar or brown sugar
  • ½ tsp cinnamon
  • Pinch of salt
  • 4 tbsp melted butter (or coconut oil for vegan)

Instructions

Step 1: Prep the Blueberry Filling

In a large bowl, toss the blueberries with lemon juice, zest, maple syrup, cinnamon, and cornstarch.

Pour the mixture into a greased 9×9-inch baking dish.


Step 2: Make the Crumble Topping

In another bowl, mix the oats, almond flour, sugar, cinnamon, and salt. Pour in the melted butter and stir until the mixture is crumbly.


Step 3: Assemble + Bake

Sprinkle the crumble evenly over the blueberry mixture. Bake at 375°F for 30-35 minutes until the filling is bubbling and the topping is golden brown.


Step 4: Cool + Serve

Let it cool for about 10 minutes before digging in. Serve warm with a scoop of vanilla ice cream or coconut whipped cream.

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