Easy Homemade Berry Oat Bars with Raspberry Preserves

Easy Berry Oat Bars with Raspberry Preserves are a crispy, comforting breakfast treat. After making these many times, I discovered the trick to perfectly crispy oat bars every time. Keep reading for my best tips. If you love recipes like this, you’ll also enjoy Quick Chicken Avocado Wrap and Easy Green Vegetable Soup.

Why This Easy Homemade Berry Oat Bars with Raspberry Preserves Is Pure Comfort
- Crispy, golden edges
- Tart-sweet raspberry filling
- Perfect for busy mornings
- Better than store-bought
What You'll Need for Easy Homemade Berry Oat Bars with Raspberry Preserves
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
- Brown sugar
- Baking powder
- Salt
- Unsalted butter
- Eggs
- Vanilla extract
- Raspberry preserves
- Vanilla extract
- Salt
- Baking powder

📝 Ingredient Notes
- Old-fashioned oats: Do not use quick-cooking oats.
- Raspberry preserves: You can use any berry jam or preserves.
🛒 Tools & Equipment I Recommend
- Food processor — Ensures even crumb mixture for the base and topping. → See on Amazon
- Silicone baking mat — Prevents the bars from sticking and ensures even baking. → See on Amazon

How to Make Easy Homemade Berry Oat Bars with Raspberry Preserves
- Step 1: Preheat oven to 350°F (175°C). Grease a 9×9-inch baking dish.
- Step 2: In a food processor, combine oats, flour, brown sugar, baking powder, and salt. Pulse until combined.
- Step 3: Add butter, eggs, and vanilla extract. Pulse until the mixture resembles coarse crumbs.
- Step 4: Press half of the mixture into the prepared baking dish. Spread raspberry preserves over the base. Crumble the remaining oat mixture over the preserves.
- Step 5: Bake for 25-30 minutes or until golden brown. Let cool before slicing.
Cook's Tips for Perfect Easy Homemade Berry Oat Bars with Raspberry Preserves
- Common mistake and fix: Avoid overmixing the oat mixture to prevent tough bars. Pulse just until combined.
- Pro tip: For a gluten-free version, substitute the all-purpose flour with a gluten-free flour blend.
- Pro tip: Store leftovers in an airtight container at room temperature for up to 3 days.
Storing & Reheating Easy Homemade Berry Oat Bars with Raspberry Preserves
Short-Term Storage
Store in an airtight container in the fridge. Store leftovers in an airtight container in the fridge for up to 5 days. Make-ahead tip: You can make the oat mixture ahead of time and store it in the fridge for up to 2 days.
Freezing Easy Homemade Berry Oat Bars with Raspberry Preserves
Freeze individual portions for up to 2 months. Thaw overnight in the fridge before serving.
How to Reheat Without Drying It Out
Oven: Reheat in the oven at 350°F (175°C) for 10-15 minutes. Microwave: Reheat in the microwave for 20-30 seconds.
Recipe Notes
- Chef tip: Using cold butter helps create a flaky texture for the oat bars.
- Best substitution: You can substitute the raspberry preserves with any berry jam or preserves.
- Make-ahead: You can assemble the bars ahead of time and refrigerate for up to 2 days before baking.
- Scaling: This recipe can be doubled and baked in a 9×13-inch baking dish.
- Troubleshooting: If the bars are browning too quickly, tent the pan with aluminum foil.
Want to level up this recipe?
Silicone baking brush — Makes greasing the baking dish quick and easy. → Check price on Amazon
Easy Homemade Berry Oat Bars with Raspberry Preserves

Ingredients
Main Ingredients
- Old-fashioned oats
- All-purpose flour
- Brown sugar
- Baking powder
- Salt
- Unsalted butter
- Eggs
- Vanilla extract
- Raspberry preserves
Seasonings
- Vanilla extract
- Salt
- Baking powder
Instructions
- Step 1: Preheat oven to 350°F (175°C). Grease a 9×9-inch baking dish.
- Step 2: In a food processor, combine oats, flour, brown sugar, baking powder, and salt. Pulse until combined.
- Step 3: Add butter, eggs, and vanilla extract. Pulse until the mixture resembles coarse crumbs.
- Step 4: Press half of the mixture into the prepared baking dish. Spread raspberry preserves over the base. Crumble the remaining oat mixture over the preserves.
- Step 5: Bake for 25-30 minutes or until golden brown. Let cool before slicing.
Notes
- Chef tip: Using cold butter helps create a flaky texture for the oat bars.
- Best substitution: You can substitute the raspberry preserves with any berry jam or preserves.
- Make-ahead: You can assemble the bars ahead of time and refrigerate for up to 2 days before baking.
- Scaling: This recipe can be doubled and baked in a 9×13-inch baking dish.
- Troubleshooting: If the bars are browning too quickly, tent the pan with aluminum foil.
Storage
- Fridge: Store leftovers in an airtight container in the fridge for up to 5 days.
- Freezer: Freeze individual portions for up to 2 months. Thaw overnight in the fridge before serving.
- Oven reheat: Reheat in the oven at 350°F (175°C) for 10-15 minutes.
- Microwave reheat: Reheat in the microwave for 20-30 seconds.
- Make ahead: You can make the oat mixture ahead of time and store it in the fridge for up to 2 days.
Nutrition Per Serving
- Calories: 250
- Protein: 4g
- Fat: 9g
- Carbs: 37g
- Fiber: 3g
- Sugar: 15g
- Sodium: 150mg
- Cholesterol: 45mg
- Sat. Fat: 5g
Nutritional values are estimates only. Actual values may vary by brand and portion size.
Easy Homemade Berry Oat Bars with Raspberry Preserves FAQs
Yes, you can assemble the bars ahead of time and refrigerate for up to 2 days before baking.
Overbaking can cause the bars to become dry. Keep an eye on them and remove them from the oven when the edges are golden brown.
Yes, you can use any berry jam or preserves. The flavor will vary depending on the jam you use.
Store leftovers in an airtight container at room temperature for up to 3 days, or in the fridge for up to 5 days.
Yes, you can freeze individual portions for up to 2 months. Thaw overnight in the fridge before serving.
A Warm Final Note
I can’t wait for you to try Easy Homemade Berry Oat Bars with Raspberry Preserves 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!






