Why Make This Recipe
Raspberry Crumble Bars are a delightful treat that everyone will love. They combine the sweetness of ripe raspberries with a crumbly topping that is simply irresistible. These bars are easy to make and perfect for any occasion, whether you’re hosting a gathering, going to a picnic, or just want a sweet snack at home.
How to Make Raspberry Crumble Bars
Ingredients
- 1 cup all-purpose flour
- 1/2 cup rolled oats
- 1/3 cup brown sugar
- 1/4 cup granulated sugar
- 1/2 teaspoon salt
- 1/2 teaspoon baking powder
- 1/2 cup unsalted butter, melted
- 2 cups fresh raspberries
- 1 tablespoon lemon juice
- 1 tablespoon cornstarch
Directions
- Preheat your oven to 350°F (175°C). Grease an 8×8 inch baking dish.
- In a bowl, combine flour, oats, brown sugar, granulated sugar, salt, and baking powder.
- Stir in the melted butter until the mixture is crumbly.
- Press half of the mixture into the bottom of the prepared baking dish.
- In another bowl, toss raspberries with lemon juice and cornstarch. Spread the raspberry mixture over the crust.
- Crumble the remaining mixture over the raspberries.
- Bake for 30-35 minutes, or until the topping is golden brown.
- Allow to cool before cutting into bars. Serve and enjoy!
How to Serve Raspberry Crumble Bars
Serve Raspberry Crumble Bars warm or at room temperature. They are delicious on their own or you can add a scoop of vanilla ice cream or a dollop of whipped cream on top. For an extra touch, sprinkle some powdered sugar over the bars before serving.
How to Store Raspberry Crumble Bars
To keep your Raspberry Crumble Bars fresh, store them in an airtight container. They can last at room temperature for up to 3 days. If you want to keep them longer, you can store them in the refrigerator for up to a week. For longer storage, consider freezing them for up to 2 months. Just make sure to wrap them well.
Tips to Make Raspberry Crumble Bars
- Use fresh raspberries for the best flavor, but you can also use frozen raspberries if needed. Just make sure to thaw and drain them first.
- You can adjust the sweetness by adding more or less sugar based on your preference.
- If you like a little more texture, try adding chopped nuts like walnuts or almonds to the crumble mixture.
Variation
For a different flavor, you can swap out the raspberries for other fruits like blueberries, strawberries, or peaches. Each fruit will give a unique twist to your crumble bars.
FAQs
Can I use frozen raspberries?
Yes, you can use frozen raspberries. Just make sure to thaw and drain them before mixing.
How long do these bars last?
Raspberry Crumble Bars can last about 3 days at room temperature or up to a week in the refrigerator.
Can I make the mixture ahead of time?
Yes, you can prepare the crumble mixture ahead of time and store it in the refrigerator. Just bake when you are ready to enjoy them!

Raspberry Crumble Bars
Ingredients
Base and Topping
- 1 cup all-purpose flour
- 1/2 cup rolled oats
- 1/3 cup brown sugar
- 1/4 cup granulated sugar
- 1/2 teaspoon salt
- 1/2 teaspoon baking powder
- 1/2 cup unsalted butter, melted
Filling
- 2 cups fresh raspberries Can be substituted with frozen raspberries (thawed and drained).
- 1 tablespoon lemon juice
- 1 tablespoon cornstarch
Instructions
Preparation
- Preheat your oven to 350°F (175°C). Grease an 8x8 inch baking dish.
- In a bowl, combine flour, oats, brown sugar, granulated sugar, salt, and baking powder.
- Stir in the melted butter until the mixture is crumbly.
- Press half of the mixture into the bottom of the prepared baking dish.
- In another bowl, toss raspberries with lemon juice and cornstarch. Spread the raspberry mixture over the crust.
- Crumble the remaining mixture over the raspberries.
Baking
- Bake for 30-35 minutes, or until the topping is golden brown.
- Allow to cool before cutting into bars.
- Serve and enjoy!