Easy Raspberry Oat Crumble Bars Recipe

July 6, 2026 By admin

If you’re looking for an easy homemade dessert that’s bursting with fruity flavor, these Easy Raspberry Oat Crumble Bars are the perfect choice. Featuring a buttery oat crust, a layer of sweet raspberry preserves, and a crisp golden crumble topping, these bars are soft, delicious, and incredibly simple to prepare. They’re perfect for family gatherings, bake sales, holidays, afternoon coffee breaks, or whenever you’re craving a classic homemade dessert.

Why You’ll Love This Recipe

Simple pantry-friendly ingredients.
Perfect balance of buttery and fruity flavors.
Easy enough for beginner bakers.
Great for holidays, potlucks, and bake sales.
Freezer-friendly and make-ahead friendly.
Ready in less than one hour.
Perfect for sharing with family and friends.

Preparation Time

Prep Time: 15 minutes
Bake Time: 35 minutes
Total Time: 50 minutes
Servings: 16 bars
Difficulty: Easy

Ingredients

2 cups old-fashioned rolled oats
2 cups all-purpose flour
1 cup light brown sugar
1 teaspoon baking powder
½ teaspoon salt
1 cup unsalted butter, melted
1 teaspoon vanilla extract
1½ cups raspberry preserves or raspberry jam

Kitchen Tools Needed

9×13-inch baking dish
Large mixing bowl
Rubber spatula
Measuring cups and spoons
Cooling rack

Instructions

Preheat the oven to 350°F (175°C).
Lightly grease or line a 9×13-inch baking dish with parchment paper.
In a large bowl, combine the oats, flour, brown sugar, baking powder, and salt.
Add the melted butter and vanilla extract, mixing until the mixture becomes crumbly.
Press two-thirds of the mixture firmly into the bottom of the prepared baking dish.
Spread the raspberry preserves evenly over the crust.
Sprinkle the remaining crumble mixture evenly over the raspberry layer.
Bake for 30 to 35 minutes or until the topping is lightly golden.
Allow the bars to cool completely before slicing into squares.

Recipe Notes

Cooling completely helps create cleaner slices.
Use high-quality raspberry preserves for the best flavor.
Parchment paper makes removing the bars much easier.
The flavor improves after resting for several hours.

Expert Tips

Do not overmix the crumble mixture.
For extra texture, add chopped pecans or walnuts.
Fresh lemon zest adds brightness to the raspberry filling.
Store leftovers in an airtight container to keep them fresh.

Recipe Variations

Replace raspberry preserves with strawberry or blackberry jam.
Add shredded coconut to the crumble topping.
Mix white chocolate chips into the topping.
Use mixed berry preserves for a different flavor.

Serving Suggestions

Serve with vanilla ice cream.
Pair with freshly brewed coffee.
Enjoy with hot tea.
Top with whipped cream.
Serve on a holiday dessert platter.

Storage Instructions

Store the bars in an airtight container at room temperature for up to 3 days or refrigerate for up to 1 week. Freeze for up to 3 months and thaw overnight in the refrigerator before serving.

Nutrition Information (Approximate Per Serving)

Calories: 265
Protein: 3g
Carbohydrates: 37g
Fat: 12g
Fiber: 2g
Sugar: 19g
Sodium: 105mg

Frequently Asked Questions

Can I make these bars ahead of time?

Yes. They can be prepared a day in advance and stored in an airtight container.

Can I freeze raspberry crumble bars?

Yes. Wrap each bar individually and freeze for up to 3 months.

Can I use homemade raspberry jam?

Absolutely. Homemade preserves work wonderfully in this recipe.

Can I use quick oats?

Old-fashioned rolled oats provide the best texture, but quick oats can be used if necessary.

Recipe Details

Course: Dessert
Cuisine: American
Method: Baking
Diet: Vegetarian
Yield: 16 bars

Conclusion

These Easy Raspberry Oat Crumble Bars combine a buttery oat crust, sweet raspberry filling, and a crisp golden topping to create a classic homemade dessert everyone will love. They’re simple to prepare, easy to store, and perfect for everything from casual family desserts to holiday celebrations and bake sales.