Introduction to Mixed Berry Crumble Bars
Are you looking for a delicious homemade treat that's sure to impress friends at brunch or satisfy your sweet tooth after dinner? Look no further than mixed berry crumble bars! These delightful bars are not only visually appealing, but they also pack a flavorful punch, thanks to the combination of juicy berries and a crumbly oat topping.
One of the great things about mixed berry crumble bars is their versatility. Whether you use fresh or frozen berries, this recipe adapts beautifully to whatever you have on hand. Plus, with just about 10 minutes of prep time, you'll have a tasty dessert ready in no time! According to the USDA, berries are a fantastic source of vitamins and antioxidants, making these bars not only delicious but also a bit healthier than your average dessert option.
Imagine cutting into a warm bar, with the aroma of cinnamon wafting through the air, and the sweet and tart berries bursting with flavor. Whether enjoyed on their own, topped with a scoop of vanilla ice cream, or layered into a parfait, these bars are a treat that everyone will love. So, gather your ingredients and let’s dive into making these scrumptious mixed berry crumble bars that are perfect for any occasion!

Ingredients for Mixed Berry Crumble Bars
Essential Pantry Staples
When it comes to whippin’ up a batch of delightful Mixed Berry Crumble Bars, having your pantry stocked with the essentials makes all the difference. You'll need:
- Oats: Quick oats work best for a chewy texture.
- Flour: All-purpose flour binds everything nicely.
- Brown Sugar: Adds a rich sweetness and depth.
- Butter: Melted butter brings the crumble to life.
- Cinnamon & Sea Salt: These enhance flavor, giving your bars that warm hug.
Don’t forget your trusty baking powder for that delightful rise!
Fresh vs. Frozen Berries
Picking the right berries can elevate your bars. While fresh berries are juicy and vibrant, frozen berries are fantastic because they’re picked at peak ripeness and preserved at their best. Just be sure to thaw frozen options before using!
Choosing mixed berries like blueberries, raspberries, and blackberries strikes a lovely balance of sweet and tart flavors, creating a delicious filling that complements the crumble perfectly. Whether you go fresh or frozen, you can’t go wrong!
Ready to dive into the cooking? Let's get to it!
Preparing Mixed Berry Crumble Bars
Creating delicious mixed berry crumble bars is easier than you might think! With just a few simple steps and ingredients, you can whip up these crumbly treats that everyone will love. Let’s dive right into the process!
Gather Your Ingredients
Before you begin, make sure you have everything you need. Gather the following ingredients:
- Oats: 1 ½ cups of quick oats for that chewy texture.
- Flour: 1 ½ cups of all-purpose flour to bind it all together.
- Sugar: 1 cup of brown sugar for sweetness and depth.
- Butter: 1 cup of melted butter for richness.
- Cinnamon: 1 ½ teaspoons to warm up the flavors.
- Vanilla Extract: 1 teaspoon for that delightful aroma.
- Baking Powder and Sea Salt: Just a pinch of each to help everything rise and balance flavors.
- Mixed Berries: 2 ½ cups—fresh or thawed frozen berries bring juicy goodness.
- Lemon Juice and Corn Starch: A dash of both to enhance and thicken the berry filling.
You can find quality ingredients online, such as quick oats and corn starch.
Prepare the Berry Filling
Start by preparing your berry filling. In a medium bowl, mix together the sugar, lemon juice, mixed berries, and corn starch. The lemon juice brightens the flavors, and the corn starch helps the filling set. Let it sit while you prepare the crumble; this gives the berries time to release their juices.
Mix the Crumble Base
In another bowl, combine the oats, flour, brown sugar, cinnamon, baking powder, and sea salt. Whisk these dry ingredients together before adding the melted butter and vanilla extract. Mix until you achieve a crumbly texture. It doesn’t need to be perfectly smooth, as this will serve as the crust and topping for your mixed berry crumble bars.
Assemble the Bars
Line an 8x8-inch baking pan with parchment paper to make it easier to remove the bars later. Press about two-thirds of the crumble mixture firmly into the bottom of the pan. Next, spoon the berry mixture evenly over the crust. Finish by sprinkling the remaining crumble mixture on top of the berries. This layer will create a lovely, crunchy topping.
Bake to Perfection
Now, it’s time for the magic to happen in the oven! Preheat your oven to 350°F (175°C), then bake your mixed berry crumble bars for 28-32 minutes. You'll know they're ready when the berries are bubbling and the top is nicely browned. It’s tough to wait, but let them cool completely before cutting for the best presentation.
And there you have it—your very own homemade mixed berry crumble bars! Enjoy them as a delightful dessert or a satisfying brunch treat.

Variations on Mixed Berry Crumble Bars
Alternative fruit combinations
While these mixed berry crumble bars are delightful as is, get creative with different fruits! Consider using seasonal favorites like peaches, cherries, or apples to add a unique twist. If you're feeling adventurous, mix in tropical fruits such as mango or pineapple for an unexpected flavor explosion. For a refreshing tartness, try adding rhubarb—just adjust the sugar according to taste.
Add-ins for extra flavor
Elevate your mixed berry crumble bars by incorporating tasty add-ins. A sprinkle of nuts, like walnuts or almonds, will add crunch and richness. For a touch of warmth, consider adding a hint of ginger or nutmeg. You might even fold in some coconut flakes for a tropical flair! Experiment with these additions to find your perfect flavor combination. Don't be afraid to make it your own!
Cooking tips for Mixed Berry Crumble Bars
Ensuring the Perfect Crumble Texture
Achieving that perfect crumble texture for your mixed berry crumble bars is essential for a delicious bite! Start with cold, melted butter when mixing your dry ingredients; this helps create a delightful, crumbly consistency. If you’re using quick oats, be sure to combine them well with flour and sugar before adding the melted butter.
For an even better texture, consider using a mix of rolled oats and quick oats. This combination gives varied sizes, resulting in a delightful chewiness. Remember, don’t overmix; just stir until combined!
For more baking tips, check out this helpful guide from King Arthur Baking!

Serving suggestions for Mixed Berry Crumble Bars
When it comes to enjoying your mixed berry crumble bars, the possibilities are deliciously endless! Here are some creative ways to elevate your snacking experience:
- A la mode: Warm up a bar and top it with a generous scoop of vanilla ice cream for a soft, creamy contrast to the crunchy crumble.
- Add some flair: Serve the bars with a dollop of freshly whipped cream, perhaps with a sprinkle of cinnamon for that extra touch.
- Berry parfaits: Break the bars into pieces and layer them with yogurt and your favorite fruits for a vibrant parfait. It makes for an impressive breakfast or brunch dish!
- Smoothie bowl add-in: Incorporate chunks of the bars into smoothie bowls for an added bite and extra flavor.
No matter how you choose to serve them, these mixed berry crumble bars are sure to delight!
Time details for Mixed Berry Crumble Bars
Preparation time
For these delicious mixed berry crumble bars, you’ll need about 15 minutes to gather, measure, and mix all your ingredients. It’s a quick and straightforward process that won’t keep you in the kitchen for long!
Baking time
Once your bars are assembled, pop them in the oven and let them bake for 28-32 minutes. You’ll know they’re ready when the berries are bubbly, and the topping is beautifully golden brown.
Total time
From start to finish, plan for a total of 1 hour to create these scrumptious bars. This includes both prep and baking time. A perfect treat to share with friends and family or savor all by yourself!
For a detailed recipe, don't forget to check out resources like The Spruce Eats for additional baking tips and variations. Enjoy getting those hands a little messy!
Nutritional Information for Mixed Berry Crumble Bars
When indulging in Mixed Berry Crumble Bars, it's good to know the nutritional breakdown. Each serving contains approximately:
-
Calories: 334
Enjoying a single square provides a satisfying treat without overdoing it on calories. -
Protein: 4g
While not a primary protein source, these bars contribute a bit to your daily intake. -
Sugar Content: 24g
With a sweet and fruity flavor, the sugar content is derived primarily from the berries and added sugars, making for a delightful dessert option.
These bars are perfect for brunch or as a dessert; they cater to your sweet tooth while integrating nutritious components.
FAQs about Mixed Berry Crumble Bars
How do I store my crumble bars?
To keep your mixed berry crumble bars fresh, store them in an airtight container at room temperature for up to three days. If you want them to last longer, consider refrigerating them! They should remain good for about a week when chilled. For even more longevity and to maintain their texture, freeze them for up to three months. Just remember to wrap them well in plastic wrap before popping them into a freezer bag.
Can I use other sweeteners?
Absolutely! If you prefer to switch things up, feel free to substitute brown sugar with alternatives like coconut sugar or even maple syrup. Just keep in mind that liquid sweeteners may alter the consistency slightly, so adjust the dry ingredients accordingly. Check out resources from health-focused sites like Healthline for more on sweetener options!
What’s the best way to reheat them?
Reheating your mixed berry crumble bars can enhance their flavors! Simply pop them in the microwave for about 15-20 seconds or warm them in the oven at 350°F for 5-10 minutes. Enjoy them warm, perhaps with a dollop of yogurt or a scoop of ice cream for extra indulgence.
Conclusion on Mixed Berry Crumble Bars
These mixed berry crumble bars are not only a delightful dessert but can also double as a scrumptious brunch treat. Their simple preparation and wholesome ingredients ensure a guilt-free indulgence. So, gather your loved ones, whip up a batch, and enjoy the vibrant flavors of summer in every bite!

Mixed Berry Crumble Bars
Equipment
- 8x8 inch baking pan
Ingredients
Dry Ingredients
- 1.5 cups quick oats
- 1.5 cups flour
- 1 cups brown sugar lightly packed
- 1.5 teaspoons cinnamon
- 0.5 teaspoons baking powder
- 0.5 teaspoons sea salt
- 3 tablespoons sugar more if berries are super tart
Wet Ingredients
- 1 cup butter melted
- 1 teaspoon vanilla extract
- 0.5 cups mixed berries fresh or frozen (thawed if frozen)
- 1 tablespoon corn starch
- 0.5 lemon juice of 1 lemon
Instructions
Preparation Steps
- Preheat oven to 350°F.
- In a bowl, mix together sugar, lemon juice, berries and corn starch and mix to combine. Set aside.
- In a separate bowl, combine oats, flour, brown sugar, cinnamon, sea salt, and baking powder and whisk together.
- Add in melted butter and vanilla and stir to combine. Mixture will be somewhat crumbly, and that is ok.
- In an 8x8 in. pan, lined with parchment, press ⅔ of the oat mixture firmly into the pan. Add the berry mixture on top to cover evenly.
- Sprinkle over the rest of the oat mixture to cover the berries.
- Place in the oven and bake for 28-32 minutes or until berries are bubbling and oats on the top are browned.
- Allow to cool completely before cutting.
- Enjoy!





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