If you love bright, tangy flavors and warm desserts, you’ll adore my Lemon Blueberry Crumble. This easy recipe combines fresh blueberries with zesty lemon for a treat that sings of summer. Not only does it taste fantastic, but it also comes together in just a few simple steps. Get ready to impress your family and friends with a dessert that is both delicious and easy to make!
Why I Love This Recipe
- Bright Citrus Flavor: The combination of fresh lemon juice and zest elevates the blueberry flavor, making every bite refreshing and zesty.
- Easy to Make: This crumble comes together quickly, with simple ingredients and minimal prep time, perfect for a weeknight dessert.
- Perfectly Sweet: With adjustable sugar levels, you can customize the sweetness to fit your taste, making it a versatile treat.
- Comforting Texture: The combination of juicy blueberries and a crumbly topping creates a delightful contrast that is satisfying to eat.
Ingredients
Fresh Ingredients Needed
– 2 cups fresh blueberries
– 1 tablespoon freshly grated lemon zest
– 2 tablespoons freshly squeezed lemon juice
To start, gather your fresh ingredients. Blueberries are the star here. Their sweet and tart flavor shines in this dish. Grating lemon zest adds a bright kick. Squeezing lemon juice gives more zestiness. These fresh ingredients bring life to your crumble.
Dry Ingredients
– 1/4 cup granulated sugar
– 1 tablespoon cornstarch
– 1 cup rolled oats
– 1/2 cup all-purpose flour
– 1/4 cup packed brown sugar
– 1/2 teaspoon ground cinnamon
– 1/4 teaspoon salt
Next, let’s move on to the dry ingredients. The granulated sugar sweetens the berries. Cornstarch helps thicken the mixture. Rolled oats form the crunchy topping. All-purpose flour binds everything together. Brown sugar adds a rich flavor. Ground cinnamon gives warmth, while salt balances the sweetness.
Wet Ingredients
– 1 teaspoon pure vanilla extract
– 1/3 cup melted coconut oil or unsalted butter
Lastly, we have the wet ingredients. Vanilla extract enhances the overall flavor. Choose coconut oil or butter for richness. This combination keeps the topping moist and delicious.
With all these ingredients ready, you set the stage for a tasty lemon blueberry crumble.

Step-by-Step Instructions
Preheat and Prepare
– Preheat oven to 350°F (175°C).
– Grease the baking dish.
Start by heating your oven. A hot oven helps the crumble cook evenly. Greasing the dish keeps the crumble from sticking. Use cooking spray or melted oil for this task.
Mixing the Blueberry Base
– Combine blueberries with lemon ingredients.
– Let mixture rest for flavor development.
In a large bowl, mix the blueberries with lemon zest, lemon juice, sugar, cornstarch, and vanilla. Stir gently. This ensures that each blueberry gets coated. Let this mix sit for 10 minutes. This time helps the flavors blend together.
Creating the Crumble Topping
– Mix dry topping ingredients.
– Incorporate melted oil or butter.
In another bowl, mix oats, flour, brown sugar, cinnamon, and salt. Make sure everything is combined well. Now add melted coconut oil or butter. Use a fork or your hands to mix it until it looks crumbly.
Assembling the Dish
– Layer the blueberry mixture.
– Add the crumble topping evenly.
Carefully pour the blueberry mix into your greased dish. Spread it out evenly. Now take the crumble topping and sprinkle it over the blueberries. Make sure to cover every part.
Baking Instructions
– Bake time and temperature.
– Signs of doneness.
Place the dish in your preheated oven. Bake for 30-35 minutes. Look for a golden brown top and bubbling blueberries. This shows it’s ready to come out. Let it cool for a few minutes before serving.
Tips & Tricks
Perfecting the Flavor
– Adjusting sugar levels: You can change the sugar to match your taste. If you prefer less sweetness, use less sugar. For a sweeter treat, add more. Just remember, the blueberries can also be sweet or tart, so taste as you go!
– Importance of fresh ingredients: Fresh blueberries and real lemon zest make a big difference. They add bright, bold flavors to your crumble. Use ripe, plump blueberries for the best results. Fresh ingredients will always give your dish a delicious boost.
Baking Tips
– Ovens may vary in temperature: Every oven is a bit different. Check the crumble a few minutes before the time ends. If your oven runs hot, it may bake faster. If it runs cool, it may take longer.
– Adjusting baking time based on dish size: The size of your baking dish matters. A larger dish will spread the crumble out, and it may need less time. A smaller dish keeps the filling deep and may need more time. Keep an eye on it!
Presentation Tips
– Serving suggestions: Serve the crumble warm for the best taste. A scoop of vanilla ice cream or a dollop of whipped cream makes it even better. You can also sprinkle extra lemon zest on top for a nice touch.
– Best serving temperature: This crumble tastes great warm. Let it cool for about 5-10 minutes after baking. This way, the flavors settle and it won’t burn your mouth! Enjoy every bite!
Pro Tips
- Use Fresh Ingredients: For the best flavor, always opt for fresh blueberries and freshly squeezed lemon juice. This will enhance the overall taste of your crumble.
- Adjust Sweetness: Taste the blueberry mixture before baking and adjust the sugar based on your preference and the natural sweetness of the berries.
- Experiment with Spices: Feel free to add a pinch of nutmeg or a splash of almond extract to the crumble topping for an extra layer of flavor.
- Let it Cool: Allow the crumble to cool for a few minutes after baking. This helps the filling set slightly, making it easier to serve.
Variations
Alternative Fruits
You can switch up the fruits in your crumble. Try adding raspberries or blackberries. These fruits pair well with the lemon. They add a nice tartness and color. You can also use frozen berries. Just make sure to thaw and drain them first. This keeps the crumble from getting too watery.
Healthier Options
If you want a healthier twist, consider substituting coconut oil for applesauce. This reduces the fat while keeping it moist. Another great swap is using whole grain flour instead of all-purpose flour. Whole grain flour adds fiber and nutrients. Both swaps keep your dessert tasty and a bit healthier.
Flavor Enhancements
Adding spices can take your crumble to the next level. Nutmeg brings a warm, cozy flavor. Just a pinch goes a long way. You can also incorporate nuts like walnuts or pecans for a delightful crunch. This adds texture and richness to each bite. Don’t be afraid to experiment and find your perfect mix!
Storage Info
Short-term Storage
Store your Lemon Blueberry Crumble in the fridge if you have leftovers. Place it in an airtight container. This keeps it fresh for about 3 days. If you cover the dish with plastic wrap or foil, it helps prevent drying out. Just make sure it seals well to lock in moisture.
Long-term Storage
For long-term storage, freezing is a great option. Let the crumble cool completely before freezing. Wrap it tightly in plastic wrap or foil. You can also use a freezer-safe container. It should stay good for up to 3 months. When you’re ready to enjoy it again, thaw it in the fridge overnight. This keeps the texture nice.
Reheating Instructions
To reheat your crumble, you have a couple of good options. The oven works best. Preheat it to 350°F (175°C). Place the crumble in an oven-safe dish and cover it with foil. Heat for about 15-20 minutes until warm. You can also use the microwave if you’re in a hurry. Heat it in short bursts of 30 seconds, checking often to avoid overheating. Enjoy your dessert warm for the best taste!
FAQs
What is the best way to ripen blueberries?
The best way to ripen blueberries is to choose ones that are plump and firm. Look for berries that are deep blue and have a powdery finish. Avoid any that are green or have wrinkles. If your blueberries are not sweet enough, you can let them sit at room temperature for a day or two. This will help them become sweeter as they ripen.
Can I use frozen blueberries for this recipe?
Yes, you can use frozen blueberries in this recipe! They are a great option when fresh berries are not in season. Just remember to let them thaw before using. Drain any excess liquid to prevent a soggy crumble. You might also want to add a bit more cornstarch to help thicken the juices.
How long does Lemon Blueberry Crumble last?
Lemon Blueberry Crumble lasts about 3-4 days in the fridge. Just make sure to cover it well with plastic wrap or a lid. If you want to keep it longer, you can freeze it. In the freezer, it can last up to 2-3 months. Just thaw it overnight in the fridge before serving.
Is it possible to make this recipe vegan?
Yes, you can easily make this recipe vegan! Substitute the melted butter with coconut oil or a plant-based butter. For the sugar, choose organic sugar since some granulated sugars are processed with bone char. You can also replace the cornstarch with arrowroot powder for thickening.
This blog post shared a simple recipe for Lemon Blueberry Crumble. We covered fresh and dry ingredients, plus tips to enhance flavor and texture. You learned how to prepare, bake, and store this dish. Remember to use fresh blueberries for the best taste. Experiment with different fruits and healthier options to make it your own. Enjoy creating this delightful dessert that pleases everyone’s taste bud