Easy Raspberry Oatmeal Crumble Bars – Better Than Takeout

Raspberry Oatmeal Crumble Bars

Easy Raspberry Oatmeal Crumble Bars are the ultimate dessert for any occasion. After making these many times, I’ve perfected the recipe for you. The crispy, buttery topping and the gooey, tangy raspberry filling will make your family beg for more. Keep reading for my best tips. If you love recipes like this, you’ll also enjoy Irresistible French Toast Cups and Honey Peach Cream Cheese Cupcakes.

Raspberry Oatmeal Crumble Bars on a plate
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Why This Easy Raspberry Oatmeal Crumble Bars – Better Than Takeout Is Pure Comfort

  • Crispy oat topping with a tender, gooey center
  • Perfect balance of sweet and tart flavors
  • Easy to make and great for meal prepping

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.

  • Old-fashioned oats
  • All-purpose flour
  • Light brown sugar
  • Unsalted butter
  • Raspberry jam
  • Egg
  • Salt
  • Vanilla extract
  • Optional: Powdered sugar for dusting
Raspberry Oatmeal Crumble Bars ingredients on a marble counter

📝 Ingredient Notes

  • Old-fashioned oats: Do not use quick-cooking oats.

🛒 Tools & Equipment I Recommend

Raspberry Oatmeal Crumble Bars on a cooling rack

How to Make Easy Raspberry Oatmeal Crumble Bars – Better Than Takeout

  1. Prepare the topping: In a food processor, combine oats, flour, brown sugar, salt, and butter. Pulse until crumbly. Set aside 1 cup for topping.
  2. Make the crust: Press remaining crumble mixture into a greased 8×8-inch pan. Bake at 350°F (175°C) for 10 minutes.
  3. Add the filling: Spread raspberry jam over the crust. Mix egg and vanilla, pour over jam. Sprinkle reserved topping over the filling.
  4. Bake: Bake for 25-30 minutes or until golden. Let cool before slicing.
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Cook's Tips for Perfect Easy Raspberry Oatmeal Crumble Bars – Better Than Takeout

  • Common mistake and fix: Underbaking can lead to a soggy crust. Ensure the topping is golden brown and the center is set.
  • Pro tip: For a gluten-free version, substitute the flour with almond or gluten-free all-purpose flour.
  • Pro tip: Store leftovers in an airtight container at room temperature for up to 5 days.

Storing & Reheating Easy Raspberry Oatmeal Crumble Bars – Better Than Takeout

Short-Term Storage

Store in an airtight container in the fridge. Store in an airtight container in the fridge for up to 1 week. Make-ahead tip: You can make the crust and topping ahead of time and assemble before baking.

Freezing Easy Raspberry Oatmeal Crumble Bars – Better Than Takeout

Freeze for up to 3 months. Thaw overnight in the fridge before serving.

How to Reheat Without Drying It Out

Oven: Reheat at 300°F (150°C) for 10-15 minutes. Microwave: Reheat in the microwave for 20-30 seconds.

Recipe Notes

  • Chef tip: For a nut-free version, ensure your oats are certified gluten-free and processed in a nut-free facility.
  • Best substitution: You can substitute the raspberry jam with your favorite fruit preserves.
  • Make-ahead: These bars can be made up to 2 days ahead. Store at room temperature in an airtight container.
  • Scaling: This recipe can be doubled and baked in a 9×13-inch pan.
  • Troubleshooting: If the crust is too crumbly, add a tablespoon of water or milk to the topping mixture.

Want to level up this recipe?

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Easy Raspberry Oatmeal Crumble Bars – Better Than Takeout

Raspberry Oatmeal Crumble Bars on a cooling rack
Prep
15 mins
🍳
Cook
35 mins
Total
50 mins
🍽
Serves
9 bars
🥗
Diet
Gluten-free option

Ingredients

Main Ingredients

  • Old-fashioned oats
  • All-purpose flour
  • Light brown sugar
  • Unsalted butter
  • Raspberry jam
  • Egg

Seasonings

  • Salt
  • Vanilla extract

Optional Toppings

  • Powdered sugar for dusting

Instructions

  1. Prepare the topping: In a food processor, combine oats, flour, brown sugar, salt, and butter. Pulse until crumbly. Set aside 1 cup for topping.
  2. Make the crust: Press remaining crumble mixture into a greased 8×8-inch pan. Bake at 350°F (175°C) for 10 minutes.
  3. Add the filling: Spread raspberry jam over the crust. Mix egg and vanilla, pour over jam. Sprinkle reserved topping over the filling.
  4. Bake: Bake for 25-30 minutes or until golden. Let cool before slicing.

Notes

  • Chef tip: For a nut-free version, ensure your oats are certified gluten-free and processed in a nut-free facility.
  • Best substitution: You can substitute the raspberry jam with your favorite fruit preserves.
  • Make-ahead: These bars can be made up to 2 days ahead. Store at room temperature in an airtight container.
  • Scaling: This recipe can be doubled and baked in a 9×13-inch pan.
  • Troubleshooting: If the crust is too crumbly, add a tablespoon of water or milk to the topping mixture.

Storage

  • Fridge: Store in an airtight container in the fridge for up to 1 week.
  • Freezer: Freeze for up to 3 months. Thaw overnight in the fridge before serving.
  • Oven reheat: Reheat at 300°F (150°C) for 10-15 minutes.
  • Microwave reheat: Reheat in the microwave for 20-30 seconds.
  • Make ahead: You can make the crust and topping ahead of time and assemble before baking.

Nutrition Per Serving

  • Calories: 250
  • Protein: 3g
  • Fat: 10g
  • Carbs: 38g
  • Fiber: 2g
  • Sugar: 18g
  • Sodium: 120mg
  • Cholesterol: 40mg
  • 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

Can I use fresh raspberries instead of jam?

Yes, but the texture will be different. Cook the raspberries with sugar and cornstarch until thickened before using.

Why did my crust turn out dry and crumbly?

You may have overworked the dough or not added enough butter. Ensure you pulse the ingredients in the food processor just until crumbly.

Can I freeze these bars?

Yes, freeze for up to 3 months. Thaw overnight in the fridge before serving.

Can I make these bars in the air fryer?

No, these bars require oven baking for the best texture and flavor.

What can I substitute for the egg?

You can use a flax or chia egg as a substitute. Mix 1 tablespoon of ground flax or chia seeds with 2.5 tablespoons of water and let sit for 5 minutes before using.

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!

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