If you're craving a sweet treat that’s both easy to make and gluten-free, you’re in for a treat! These Gluten Free Blueberry Crumble Bars are delicious, healthy, and packed with flavor. Whether you enjoy them for breakfast, dessert, or as a snack, this recipe will hit the spot. Let’s dive into the simple ingredients and step-by-step process that will have you enjoying homemade bars in no time!
Why I Love This Recipe
- Healthy Ingredients: This recipe uses wholesome ingredients like gluten-free oats and almond flour, making it a nutritious choice for any snack.
- Easy to Prepare: With simple steps and minimal prep time, these bars can be whipped up quickly, perfect for busy days.
- Deliciously Versatile: These bars can be enjoyed warm or cold, and they pair wonderfully with yogurt or can be taken on-the-go.
- Natural Sweetness: The use of coconut sugar and fresh blueberries adds a delightful sweetness without the need for refined sugars.
Ingredients
Main Ingredients Needed
- 2 cups gluten-free oats
- 1 cup almond flour
- 1/2 cup coconut sugar or brown sugar
- 1/2 cup unsalted butter or coconut oil, melted
Additional Ingredients
- 2 cups fresh or frozen blueberries
- 1 tablespoon lemon juice
- 1 tablespoon cornstarch
- 1 teaspoon ground cinnamon
These ingredients create a tasty treat. Gluten-free oats form the base. Almond flour gives a nutty flavor. Coconut sugar adds a hint of sweetness. Unsalted butter or coconut oil binds everything together.
The blueberries are the star of this recipe. Fresh ones burst with juice. Frozen ones work well too. Lemon juice brightens the flavor. Cornstarch helps thicken the fruit filling. Ground cinnamon adds warmth and spice.
Gather these ingredients before you start. This will make your baking smooth and fun.

Tips & Tricks
Substitutions for Dietary Needs
- Dairy-Free Options: You can use coconut oil instead of unsalted butter. This swap keeps the bars dairy-free while adding a light coconut flavor. It also helps achieve a nice crumble texture.
- Sweetener Alternatives: If you want a different sweetener, try maple syrup or agave nectar. These options add a unique taste and work well with the blueberries.
Techniques for Perfect Bars
- Ensuring Even Layering: When you press the oat mixture into the pan, make sure it is flat and even. An even base layer helps the bars hold together and bake evenly.
- Tips for Achieving a Crispy Crumble: To get a crispy topping, do not skip the cinnamon. It enhances flavor and helps to create that nice crunch. Baking the bars until golden brown also contributes to this texture.
Serving Suggestions
- Pairing with Yogurt: Serve these bars warm with a dollop of yogurt on top. The creaminess of the yogurt balances the sweetness of the blueberries.
- Snack Ideas: These bars make a great on-the-go snack. You can pack them in your lunch or enjoy them during a hike. They are tasty and filling, making them perfect for any time of day.
Variations
Flavor Variations
You can make your blueberry crumble bars even better. Here are some ideas:
- Adding Nuts or Seeds: Chopped nuts add a nice crunch. Try walnuts, almonds, or sunflower seeds. Mix in about 1/2 cup with the dry ingredients. This gives flavor and adds healthy fats.
- Incorporating Different Fruits: Switch up the blueberries for other fruits. Raspberries, strawberries, or peaches work well. Use about 2 cups of any fruit you love. Just remember to adjust the lemon juice if needed.
Different Sweetener Options
You can change the sweetness of your bars. Here are two great ways:
- Using Maple Syrup or Honey: Instead of coconut sugar, try maple syrup or honey. Use 1/2 cup. This gives a different flavor and can make your bars a bit moister.
- Adjusting Sweetness Levels: Taste your berry mix before you bake. If you like it sweeter, add more sugar or sweetener. Adjust it in small amounts to avoid making it too sweet.
Gluten-Free Flour Alternatives
If you want to try new flours, here are two good options:
- Coconut Flour: This flour absorbs more moisture. If you use it, cut the amount to 1/4 cup. You might need to add more liquid to the mix.
- Gluten-Free All-Purpose Flour: This is a great swap for almond flour. Use 1 cup as a direct substitute. It works well and keeps the bars soft and tasty.
These variations help you customize your blueberry crumble bars to fit your taste. Enjoy experimenting!
Pro Tips
- Fresh Blueberries: For the best flavor and texture, use fresh blueberries when they are in season. If using frozen, make sure to thaw and drain excess moisture.
- Even Crumble Topping: Ensure that the crumble topping is evenly spread over the blueberries for a consistent texture and bake. This will also enhance the visual appeal.
- Chill Before Cutting: After cooling, refrigerate the bars for at least an hour before cutting. This helps them hold their shape better when sliced.
- Experiment with Nuts: Add chopped nuts like almonds or walnuts to the crumble mixture for added crunch and flavor. Just remember to adjust the quantity of almond flour accordingly.
Storage Info
How to Store Leftovers
You can store your gluten-free blueberry crumble bars easily. If you want to keep them at room temperature, place them in an airtight container. They will stay fresh for about three days. For longer storage, refrigerate them. In the fridge, they can last up to a week. Just remember to let them cool completely before sealing.
Freezing Instructions
Best Practices for Freezing These bars freeze well! Cut them into portions before freezing. Wrap each bar tightly in plastic wrap. Then, place them in a freezer-safe bag. This helps avoid freezer burn and keeps them tasty.
How to Thaw and Reheat To enjoy a frozen bar, take it out and let it thaw in the fridge overnight. For a quick reheat, you can microwave it for about 15-20 seconds. This warms it up nicely and brings back that fresh-baked feel.
FAQs
How Long Do Gluten Free Blueberry Crumble Bars Last?
Gluten-free blueberry crumble bars last about 4 to 5 days at room temperature. Store them in an airtight container to keep them fresh. If you want them to last longer, you can refrigerate them. In the fridge, they can stay good for up to a week. Just make sure to let them come to room temperature before eating.
Can I Use Frozen Blueberries?
Yes, you can use frozen blueberries in this recipe. Just be aware that frozen berries may make the filling more watery. To reduce this, let the berries thaw and drain excess liquid before mixing them with lemon juice and cornstarch. This way, they will still taste great in your bars.
What Can I Substitute for Almond Flour?
If you can't use almond flour, there are great alternatives. You can try using coconut flour or gluten-free all-purpose flour. Each flour has its own taste and may change the texture a bit. It's best to experiment and see which one you like best.
Are Gluten-Free Blueberry Crumble Bars Healthy?
Gluten-free blueberry crumble bars can be a healthy treat. They use oats and blueberries, which are good for you. Blueberries have many vitamins and antioxidants. Just watch the sugar and butter amounts if you are mindful of your diet. Overall, they can fit well into a balanced diet.
This blog post covered how to make gluten-free blueberry crumble bars easily. We discussed the main and additional ingredients, followed the steps for preparation and baking, and shared tips for perfecting your bars. Remember, you can swap ingredients for dietary needs and try different flavor variations. Store leftovers properly for the best taste. These bars are not only delicious, but also a healthy treat. Experiment with your favorites and enjoy the process. You’ll impress friends and family with these simple yet amazing treats.