Easy Raspberry Oatmeal Crumble Bars – Better Than Takeout
Easy Raspberry Oatmeal Crumble Bars are the perfect dessert for any occasion. With a crispy, golden oat crust and a tart raspberry filling, these bars are better than takeout and a family favorite. After making these many times, I’ve discovered the trick to the perfect crust is to use cold butter and not overmix the dough. If you love recipes like this, you’ll also enjoy Mini Grilled Cheese on Hawaiian Rolls and Red Velvet Cookie Bars Recipe.
Why This Easy Raspberry Oatmeal Crumble Bars – Better Than Takeout Is Pure Comfort
- Crispy, golden oat crust
- Tart raspberry filling
- Easy to make and better than takeout
- Perfect for any occasion
What You'll Need for Easy Raspberry Oatmeal Crumble Bars – Better Than Takeout
Choosing the right ingredients makes a big difference, but this recipe is forgiving enough to work with what you have.
- 2 cups old-fashioned oats
- 1/2 cup all-purpose flour
- 1/2 cup light brown sugar
- 1/2 cup unsalted butter, cold and cubed
- 1/4 tsp salt
- 2 cups fresh or frozen raspberries
- 1/4 cup granulated sugar
- 1 tbsp cornstarch
- 1 tbsp lemon juice
- 1/2 tsp baking powder
- 1/4 tsp salt
- 1/4 cup granulated sugar
- 1 tbsp lemon juice
- Optional: Powdered sugar for dusting
- Optional: Vanilla ice cream for serving
📝 Ingredient Notes
- old-fashioned oats: Do not use quick-cooking oats.
- butter: Make sure the butter is cold.
🛒 Tools & Equipment I Recommend
- Food Processor — Ensures a consistent dough texture → See on Amazon
- Parchment Paper — Makes removing the bars from the pan easy → See on Amazon
How to Make Easy Raspberry Oatmeal Crumble Bars – Better Than Takeout
- Prepare the crust: Preheat oven to 350°F (180°C). In a food processor, combine oats, flour, brown sugar, cold cubed butter, baking powder, and salt. Pulse until the mixture resembles coarse crumbs. Press half of the mixture into the bottom of a greased 8×8-inch baking dish. Bake for 10 minutes.
- Prepare the filling: In a medium bowl, combine raspberries, granulated sugar, cornstarch, and lemon juice. Mix well and spread the filling over the pre-baked crust. Crumble the remaining oat mixture over the raspberries.
- Bake: Bake for 30-35 minutes, or until the crust is golden and the filling is bubbling. Allow the bars to cool completely before slicing.
Cook's Tips for Perfect Easy Raspberry Oatmeal Crumble Bars – Better Than Takeout
- : Using cold butter in the crust helps create a flaky texture.
- Common mistake and fix: If the crust is too crumbly, add a tablespoon or two of cold water and pulse again. If it's too sticky, add a bit more flour.
- : For a less tart filling, use a mix of raspberries and strawberries.
- : Store leftovers in an airtight container at room temperature for up to 3 days.
Storing & Reheating Easy Raspberry Oatmeal Crumble Bars – Better Than Takeout
Short-Term Storage
Store in an airtight container in the fridge. Store leftovers in an airtight container in the fridge for up to 1 week. Make-ahead tip: The crust can be prepared up to 1 day ahead and stored in the fridge. The filling can be prepared up to 1 day ahead and stored in the fridge.
Freezing Easy Raspberry Oatmeal Crumble Bars – Better Than Takeout
Freeze cooled bars in an airtight container for up to 3 months. Thaw overnight in the fridge 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 20-30 seconds.
Recipe Notes
- Chef tip: For a less crumbly crust, use a combination of cold butter and cold cream cheese.
- Best substitution: You can substitute the raspberries with blueberries or blackberries.
- Make-ahead: These bars can be made up to 2 days ahead and stored in the fridge.
- Scaling: This recipe can be doubled and baked in a 9×13-inch baking dish for 35-40 minutes.
- Troubleshooting: If the bars are not slicing easily, place them in the freezer for 15-20 minutes before slicing.
Want to level up this recipe?
Parchment Paper — Makes removing the bars from the pan easy → Check price on Amazon
Easy Raspberry Oatmeal Crumble Bars – Better Than Takeout
Ingredients
Main Ingredients
- 2 cups old-fashioned oats
- 1/2 cup all-purpose flour
- 1/2 cup light brown sugar
- 1/2 cup unsalted butter, cold and cubed
- 1/4 tsp salt
- 2 cups fresh or frozen raspberries
- 1/4 cup granulated sugar
- 1 tbsp cornstarch
- 1 tbsp lemon juice
Seasonings
- 1/2 tsp baking powder
- 1/4 tsp salt
- 1/4 cup granulated sugar
- 1 tbsp lemon juice
Optional Toppings
- Powdered sugar for dusting
- Vanilla ice cream for serving
Instructions
- Prepare the crust: Preheat oven to 350°F (180°C). In a food processor, combine oats, flour, brown sugar, cold cubed butter, baking powder, and salt. Pulse until the mixture resembles coarse crumbs. Press half of the mixture into the bottom of a greased 8×8-inch baking dish. Bake for 10 minutes.
- Prepare the filling: In a medium bowl, combine raspberries, granulated sugar, cornstarch, and lemon juice. Mix well and spread the filling over the pre-baked crust. Crumble the remaining oat mixture over the raspberries.
- Bake: Bake for 30-35 minutes, or until the crust is golden and the filling is bubbling. Allow the bars to cool completely before slicing.
Notes
- Chef tip: For a less crumbly crust, use a combination of cold butter and cold cream cheese.
- Best substitution: You can substitute the raspberries with blueberries or blackberries.
- Make-ahead: These bars can be made up to 2 days ahead and stored in the fridge.
- Scaling: This recipe can be doubled and baked in a 9×13-inch baking dish for 35-40 minutes.
- Troubleshooting: If the bars are not slicing easily, place them in the freezer for 15-20 minutes before slicing.
Storage
- Fridge: Store leftovers in an airtight container in the fridge for up to 1 week.
- Freezer: Freeze cooled bars in an airtight container for up to 3 months. Thaw overnight in the fridge before serving.
- Oven reheat: Reheat in a 300°F (150°C) oven for 10-15 minutes.
- Microwave reheat: Reheat in the microwave for 20-30 seconds.
- Make ahead: The crust can be prepared up to 1 day ahead and stored in the fridge. The filling can be prepared up to 1 day ahead and stored in the fridge.
Nutrition Per Serving
- Calories: 250
- Protein: 3g
- Fat: 10g
- Carbs: 35g
- Fiber: 4g
- Sugar: 15g
- Sodium: 100mg
- Cholesterol: 25mg
- Sat. Fat: 6g
Nutritional values are estimates only. Actual values may vary by brand and portion size.
Easy Raspberry Oatmeal Crumble Bars – Better Than Takeout FAQs
Yes, the crust can be prepared up to 1 day ahead and stored in the fridge. The filling can be prepared up to 1 day ahead and stored in the fridge. Assemble and bake just before serving.
If your bars turned out dry, it's likely that they were overbaked. Next time, keep a close eye on them and remove them from the oven when the crust is golden and the filling is bubbling.
Yes, you can use frozen raspberries. There's no need to thaw them before using. They may release more liquid as they bake, so you might need to bake the bars for a few minutes longer.
No, these bars are not suitable for the air fryer. They require a longer baking time and even heat distribution that the air fryer cannot provide.
Store leftovers in an airtight container at room temperature for up to 3 days, in the fridge for up to 1 week, or in the freezer for up to 3 months.
A Warm Final Note
I can’t wait for you to try Easy Raspberry Oatmeal Crumble Bars – Better Than Takeout 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!
