
Why make this recipe
Blueberry Crumb Bars are a delightful treat that combines the sweetness of blueberry jam with a buttery crumb topping. These bars are perfect for snack time, dessert, or even breakfast. They are simple to make and require just a few ingredients, making them a great choice for bakers of all skill levels. If you love blueberries, these bars will surely satisfy your cravings!
How to make Blueberry Crumb Bars
Ingredients:
- 1 cup unsalted butter, softened
- 1 cup granulated sugar
- 2 cups all-purpose flour
- 1/2 teaspoon baking powder
- 1/4 teaspoon salt
- 1 cup blueberry jam
- 1 cup rolled oats
Directions:
- Preheat the oven to 350°F (175°C) and grease a 9×9-inch baking dish.
- In a large bowl, cream together the butter and sugar until smooth.
- Mix in the flour, baking powder, and salt until just combined.
- Reserve 1 cup of the mixture for the topping and press the remaining mixture into the bottom of the prepared baking dish.
- Spread the blueberry jam evenly over the crust.
- Sprinkle the reserved mixture and rolled oats over the jam.
- Bake in the preheated oven for 30-35 minutes or until golden brown.
- Allow to cool before cutting into bars. Serve with a scoop of vanilla ice cream.
How to serve Blueberry Crumb Bars
Blueberry Crumb Bars are best served warm or at room temperature. For an extra special treat, serve them with a scoop of vanilla ice cream or a dollop of whipped cream. They can also be enjoyed with a cup of tea or coffee.
How to store Blueberry Crumb Bars
To store Blueberry Crumb Bars, place them in an airtight container at room temperature for up to 3 days. If you want them to last longer, you can refrigerate them for up to a week. For even longer storage, freeze the bars in a freezer-safe container for up to three months. Thaw them in the refrigerator before enjoying.
Tips to make Blueberry Crumb Bars
- Make sure your butter is softened to room temperature for easy mixing.
- For an added touch, you can sprinkle some cinnamon on top of the crumb mixture before baking.
- If you prefer fresh blueberries, you can use them instead of blueberry jam. Just toss them with a little sugar to help release their juices.
- Feel free to adjust the amount of blueberry jam to your taste. You can add more if you love a fruity flavor!
Variation
You can switch up the flavors by using different fruit jams, such as raspberry or strawberry. Additionally, consider adding nuts like walnuts or pecans to the crumb mixture for added crunch.
FAQs
Can I use frozen blueberries for this recipe?
Yes! You can use frozen blueberries. Just make sure to thaw and drain them before adding them to the bars.
What can I use instead of blueberry jam?
You can use any fruit jam or even fresh fruit. Just ensure to adjust the sweetness if you use fresh fruit.
Can I make these bars ahead of time?
Absolutely! You can make Blueberry Crumb Bars a day or two in advance. They store well and taste great even after a couple of days.

Blueberry Crumb Bars
Ingredients
Crust and Topping
- 1 cup unsalted butter, softened Make sure your butter is softened to room temperature for easy mixing.
- 1 cup granulated sugar
- 2 cups all-purpose flour
- 1/2 teaspoon baking powder
- 1/4 teaspoon salt
- 1 cup rolled oats
Filling
- 1 cup blueberry jam Feel free to adjust the amount to your taste.
Instructions
Preparation
- Preheat the oven to 350°F (175°C) and grease a 9×9-inch baking dish.
- In a large bowl, cream together the butter and sugar until smooth.
- Mix in the flour, baking powder, and salt until just combined.
- Reserve 1 cup of the mixture for the topping and press the remaining mixture into the bottom of the prepared baking dish.
- Spread the blueberry jam evenly over the crust.
- Sprinkle the reserved mixture and rolled oats over the jam.
Baking
- Bake in the preheated oven for 30-35 minutes or until golden brown.
- Allow to cool before cutting into bars.