Crispy Raspberry Oatmeal Crumble Bars – Better Than Store-Bought
Crispy on the outside, gooey on the inside, these Raspberry Oatmeal Crumble Bars are the best way to satisfy your sweet tooth. After making these many times, I’ve discovered the trick to a perfect crust and a berry filling that’s not too tart. The warm, comforting aroma of these bars will fill your kitchen and make your family beg for more. They’re perfect for a summer cookout or any time you need a quick, easy dessert. Keep reading for my best tips or jump to the recipe card. If you love recipes like this, you’ll also enjoy The Ultimate Bakery-Size Orange Scone Cookies and Blackberry Muffins.
Why This Crispy Raspberry Oatmeal Crumble Bars – Better Than Store-Bought Is Pure Comfort
- Crispy oatmeal crust that's not too crumbly
- Gooey raspberry filling that's perfectly sweet
- Easy to make with simple ingredients
- Better than store-bought and freezer-friendly
What You'll Need for Crispy Raspberry Oatmeal Crumble Bars – Better Than Store-Bought
Choosing the right ingredients makes a big difference, but this recipe is forgiving enough to work with what you have.
- Old-fashioned oats
- All-purpose flour
- Light brown sugar
- Salted butter
- Raspberry jam
- Fresh raspberries
- Vanilla extract
- Salt
- Optional: Powdered sugar for dusting
📝 Ingredient Notes
- Old-fashioned oats: Do not use quick-cooking oats, as they can make the crust too crumbly.
- Salted butter: If using unsalted butter, add 1/4 teaspoon of salt to the crust mixture.
🛒 Tools & Equipment I Recommend
- Food processor — Saves time and ensures even crumbs for the crust. → See on Amazon
- Silicone baking mat — Prevents the bars from sticking and makes cleanup easy. → See on Amazon
How to Make Crispy Raspberry Oatmeal Crumble Bars – Better Than Store-Bought
- Prepare the crust: In a food processor, combine oats, flour, brown sugar, and salt. Pulse until the mixture resembles coarse crumbs. Add cold butter and pulse until the mixture resembles wet sand. Press half of the mixture into the bottom of a greased 8×8-inch baking dish. Bake at 350°F (175°C) for 10 minutes.
- Prepare the filling: In a bowl, mix raspberry jam, fresh raspberries, and vanilla extract. Spread the filling over the pre-baked crust.
- Add the topping: Crumble the remaining oat mixture over the filling. Bake for an additional 25-30 minutes, or until the topping is golden brown and the filling is bubbly.
- Cool and serve: Allow the bars to cool completely in the pan before slicing. Dust with powdered sugar before serving.
Cook's Tips for Perfect Crispy Raspberry Oatmeal Crumble Bars – Better Than Store-Bought
- Common mistake and fix: Avoid overworking the crust mixture. If it becomes too crumbly, add a tablespoon of cold water and pulse briefly.
- Substitution: You can substitute the raspberry jam with strawberry or apricot jam for a different flavor.
- Make-ahead: Store the cooled bars in an airtight container at room temperature for up to 3 days, or freeze for up to 2 months.
Storing & Reheating Crispy Raspberry Oatmeal Crumble Bars – Better Than Store-Bought
Short-Term Storage
Store in an airtight container in the fridge. Store in an airtight container in the refrigerator for up to 1 week. Make-ahead tip: The crust can be prepared up to 1 day in advance and stored in the refrigerator.
Freezing Crispy Raspberry Oatmeal Crumble Bars – Better Than Store-Bought
Freeze for up to 2 months. Thaw overnight in the refrigerator before serving.
How to Reheat Without Drying It Out
Oven: Reheat in a 300°F (150°C) oven for 10-15 minutes. Microwave: Reheat in the microwave for 15-20 seconds, but be careful not to overheat.
Recipe Notes
- Chef tip: Using cold butter for the crust ensures a flaky texture.
- Best substitution: For a gluten-free version, substitute the all-purpose flour with a gluten-free flour blend.
- Make-ahead: You can prepare the entire dish up to 1 day in advance and store it in the refrigerator. Allow it to come to room temperature before serving.
- Scaling: This recipe can be doubled and baked in a 9×13-inch baking dish for a larger batch.
- Troubleshooting: If the crust becomes too crumbly, add a tablespoon of cold water and pulse briefly in the food processor.
Want to level up this recipe?
Silicone spatula — Helps spread the filling evenly and prevents it from sticking to the spatula. → Check price on Amazon
Crispy Raspberry Oatmeal Crumble Bars – Better Than Store-Bought
Ingredients
Main Ingredients
- Old-fashioned oats
- All-purpose flour
- Light brown sugar
- Salted butter
- Raspberry jam
- Fresh raspberries
Seasonings
- Vanilla extract
- Salt
Optional Toppings
- Powdered sugar for dusting
Instructions
- Prepare the crust: In a food processor, combine oats, flour, brown sugar, and salt. Pulse until the mixture resembles coarse crumbs. Add cold butter and pulse until the mixture resembles wet sand. Press half of the mixture into the bottom of a greased 8×8-inch baking dish. Bake at 350°F (175°C) for 10 minutes.
- Prepare the filling: In a bowl, mix raspberry jam, fresh raspberries, and vanilla extract. Spread the filling over the pre-baked crust.
- Add the topping: Crumble the remaining oat mixture over the filling. Bake for an additional 25-30 minutes, or until the topping is golden brown and the filling is bubbly.
- Cool and serve: Allow the bars to cool completely in the pan before slicing. Dust with powdered sugar before serving.
Notes
- Chef tip: Using cold butter for the crust ensures a flaky texture.
- Best substitution: For a gluten-free version, substitute the all-purpose flour with a gluten-free flour blend.
- Make-ahead: You can prepare the entire dish up to 1 day in advance and store it in the refrigerator. Allow it to come to room temperature before serving.
- Scaling: This recipe can be doubled and baked in a 9×13-inch baking dish for a larger batch.
- Troubleshooting: If the crust becomes too crumbly, add a tablespoon of cold water and pulse briefly in the food processor.
Storage
- Fridge: Store in an airtight container in the refrigerator for up to 1 week.
- Freezer: Freeze for up to 2 months. Thaw overnight in the refrigerator before serving.
- Oven reheat: Reheat in a 300°F (150°C) oven for 10-15 minutes.
- Microwave reheat: Reheat in the microwave for 15-20 seconds, but be careful not to overheat.
- Make ahead: The crust can be prepared up to 1 day in advance and stored in the refrigerator.
Nutrition Per Serving
- Calories: 250
- Protein: 3g
- Fat: 9g
- Carbs: 38g
- Fiber: 2g
- Sugar: 18g
- Sodium: 120mg
- Cholesterol: 20mg
- Sat. Fat: 5g
Nutritional values are estimates only. Actual values may vary by brand and portion size.
Crispy Raspberry Oatmeal Crumble Bars – Better Than Store-Bought FAQs
Yes, you can prepare the entire dish up to 1 day in advance and store it in the refrigerator. Allow it to come to room temperature before serving.
This could be due to overbaking. Keep an eye on the topping, and once it's golden brown, remove the bars from the oven. If the filling is not bubbly, it may need a few more minutes, but keep an eye on the topping to prevent burning.
Yes, you can freeze the cooled bars for up to 2 months. Thaw overnight in the refrigerator before serving.
While you can make the crust in the air fryer, the filling may not cook evenly. It's best to use the oven for this recipe.
You can substitute the raspberry jam with strawberry or apricot jam for a different flavor.
A Warm Final Note
I can’t wait for you to try Crispy Raspberry Oatmeal Crumble Bars – Better Than Store-Bought and see how effortlessly it comes together. When you make it, pop back here and leave a rating or share how it turned out — I love hearing from you!
