Raspberry Jam Oat Bars
There’s something undeniably comforting about a dessert that combines the buttery richness of oats with the sweet, tangy brightness of jam. Raspberry Jam Oat Bars are just that—a perfect harmony of crumbly, golden oat layers sandwiching a jewel-toned filling of raspberry jam. They’re simple, rustic, and full of heart, the kind of treat you bake on a Sunday afternoon to enjoy all week long. With every bite, you get buttery oats, sticky-sweet jam, and a little crunch that keeps you reaching for another square.
Behind the Recipe
Bars like these have long been staples in kitchens around the world. Easy to bake in one pan, cut into squares, and share, they’re the kind of recipe passed down through generations. Raspberry Jam Oat Bars take inspiration from classic fruit crumble desserts but package them into a hand-held form. What makes them special is their adaptability—you can change the jam, adjust the sweetness, or even toss in nuts or chocolate chips to make them uniquely yours.
Recipe Origin or Trivia
Fruit-filled bars gained popularity in the mid-20th century as home bakers looked for simple, transportable desserts that used pantry staples. Raspberry, with its vibrant tartness, quickly became a favorite filling. Today, variations exist everywhere, from coffee shops to bake sales, but the raspberry version remains iconic for its perfect sweet-tart balance.
Why You’ll Love Raspberry Jam Oat Bars
These bars are more than just dessert—they’re comfort in square form.
Versatile: Perfect for breakfast, snack, or dessert.
Budget-Friendly: Made with pantry staples like oats, flour, and jam.
Quick and Easy: No complicated steps, ready in under an hour.
Customizable: Swap in your favorite jam flavors or add nuts.
Crowd-Pleasing: Sweet, tangy, and buttery—something for everyone.
Make-Ahead Friendly: They store beautifully and taste even better the next day.
Great for Leftovers: Sturdy enough to pack in lunches or enjoy with coffee.
PrintRaspberry Jam Oat Bars
Raspberry Jam Oat Bars layer a buttery oat crust with vibrant raspberry jam and a golden crumble topping for a sweet-tart, crumbly treat that’s perfect for snacks, dessert, or coffee breaks.
- Prep Time: 10 minutes
- Cook Time: 30 minutes
- Total Time: 40 minutes
- Yield: 12 bars
- Category: Dessert
- Method: Baked
- Cuisine: American
- Diet: Vegetarian
Ingredients
- 1 1/2 cups old-fashioned oats
- 1 cup all-purpose flour
- 1/2 cup brown sugar, packed
- 1/2 teaspoon baking soda
- 1/4 teaspoon fine salt
- 3/4 cup unsalted butter, melted
- 1 teaspoon vanilla extract
- 3/4 cup raspberry jam
- Optional: 1/2 cup chopped nuts or chocolate chips
Instructions
- Preheat oven to 350°F (175°C). Grease or line a 9×9-inch baking pan with parchment, leaving overhang for easy lifting.
- Stir together oats, flour, brown sugar, baking soda, and salt in a mixing bowl until evenly combined.
- Pour in melted butter and vanilla, then mix until the mixture is evenly moistened and crumbly.
- Press about two thirds of the oat mixture firmly into the prepared pan to form an even crust.
- Warm the raspberry jam slightly if needed, then spread it evenly over the crust, reaching the corners.
- Sprinkle the remaining oat mixture over the jam to create a crumb topping. Add optional nuts or chocolate if using.
- Bake for 25 to 30 minutes, until the top is golden and the edges are set.
- Cool completely in the pan on a rack, then lift out using parchment and cut into bars.
Notes
- Use parchment with overhang for clean removal and tidy cuts.
- Choose a thick, good-quality jam to prevent a runny center.
- Let bars cool fully before slicing for neat edges.
- Note: Instant oats can make the crust too soft; use old-fashioned oats.
Nutrition
- Serving Size: 1 bar
- Calories: 210
- Sugar: 15g
- Sodium: 85mg
- Fat: 10g
- Saturated Fat: 6g
- Unsaturated Fat: 3g
- Trans Fat: 0g
- Carbohydrates: 28g
- Fiber: 2g
- Protein: 3g
- Cholesterol: 25mg
Chef’s Pro Tips for Perfect Results
Little touches can take these from good to unforgettable:
- Use high-quality jam for the best flavor and texture.
- Reserve part of the oat mixture for the crumbly topping.
- Let them cool completely before cutting for clean squares.
- Add a pinch of cinnamon to the oat mix for extra warmth.
Kitchen Tools You’ll Need
Simple tools make this recipe a breeze:
- 9×9-inch Baking Pan: Ideal size for even layers.
- Mixing Bowls: For combining dry and wet ingredients.
- Spatula: To press the oat mixture into the pan.
- Sharp Knife: For cutting neat squares once cooled.
Ingredients in Raspberry Jam Oat Bars
Here’s what brings these bars together:
- Old-Fashioned Oats: 1 ½ cups – For a chewy, hearty texture.
- All-Purpose Flour: 1 cup – Helps bind the oat crust.
- Brown Sugar: ½ cup – Adds sweetness and caramel notes.
- Baking Soda: ½ teaspoon – For lightness.
- Salt: ¼ teaspoon – Balances the sweetness.
- Unsalted Butter: ¾ cup, melted – Provides richness and helps bind crust.
- Vanilla Extract: 1 teaspoon – Adds warmth and depth.
- Raspberry Jam: ¾ cup – The sweet-tart heart of the bars.
- Optional Add-ins: ½ cup chopped nuts or chocolate chips – For extra flavor and crunch.
Ingredient Substitutions
Here’s how to adapt if needed:
Raspberry Jam: Strawberry, apricot, blueberry, or any favorite jam.
Brown Sugar: Coconut sugar or granulated sugar.
Butter: Coconut oil or vegan butter.
All-Purpose Flour: Whole wheat or gluten-free blend.
Ingredient Spotlight
Raspberry Jam: Its tartness keeps the bars from becoming overly sweet, while its jewel-like color makes them beautiful and inviting.
Oats: They add heartiness and chew, making these bars feel both indulgent and wholesome.

Instructions for Making Raspberry Jam Oat Bars
Follow these steps for golden, jammy perfection:
- Preheat Your Equipment: Heat oven to 350°F (175°C). Grease or line a 9×9-inch pan with parchment.
- Combine Ingredients: In a bowl, mix oats, flour, brown sugar, baking soda, and salt. Stir in melted butter and vanilla until crumbly.
- Prepare Your Cooking Vessel: Press two-thirds of oat mixture firmly into the pan for the crust.
- Assemble the Dish: Spread raspberry jam evenly over the crust. Sprinkle remaining oat mixture on top.
- Cook to Perfection: Bake for 25–30 minutes, until golden brown.
- Finishing Touches: Cool completely before slicing into bars.
- Serve and Enjoy: Pair with coffee, tea, or a scoop of vanilla ice cream.
Texture & Flavor Secrets
These bars are all about contrast: crumbly, buttery oats hugging a sweet-tart layer of jam. The top gets crisp, the jam stays gooey, and together they create that perfect bite of comfort.
Cooking Tips & Tricks
Keep these in mind:
- Use parchment paper for easy lifting and cutting.
- Warm the jam slightly for easier spreading.
- Cut with a sharp knife after cooling completely to avoid messy edges.
What to Avoid
To keep your bars just right:
- Don’t use instant oats, they’ll make the crust too soft.
- Avoid runny jam, it can seep into the crust and make bars soggy.
- Don’t rush cooling, or they’ll fall apart when sliced.
Nutrition Facts
Servings: 12 bars
Calories per serving: ~210
Note These are approximate values.
Preparation Time
Prep Time: 10 minutes
Cook Time: 30 minutes
Total Time: 40 minutes
Make-Ahead and Storage Tips
These bars are perfect for making ahead. Store in an airtight container at room temperature for up to 3 days, or refrigerate for up to a week. They also freeze beautifully—just wrap individually for easy grab-and-go snacks.
How to Serve Raspberry Jam Oat Bars
Serve them plain for a simple snack, dust with powdered sugar for presentation, or warm slightly and pair with vanilla ice cream for dessert. They also make a great lunchbox treat.
Creative Leftover Transformations
Turn leftovers into new delights:
- Crumble over yogurt or ice cream as a topping.
- Use as a base for layered parfaits.
- Crush and mix into cheesecake crust.
Additional Tips
For an extra touch, drizzle melted white or dark chocolate over the cooled bars. A sprinkle of sea salt can also elevate the flavors beautifully.
Make It a Showstopper
Arrange cut bars on a platter lined with parchment, with a few fresh raspberries scattered for color. Their vibrant filling and golden crumble will do the rest.
Variations to Try
- Nutty Bars: Add chopped almonds or pecans to the oat mixture.
- Berry Medley: Use mixed berry jam instead of raspberry.
- Chocolate Twist: Add chocolate chips to the topping for extra indulgence.
- Gluten-Free: Substitute with certified gluten-free oats and flour blend.
FAQ’s
Q1: Can I use fresh raspberries instead of jam?
Yes, mash them with a little sugar and cornstarch to thicken.
Q2: Can I double the recipe?
Yes, bake in a 9×13-inch pan and add 5–10 minutes to baking time.
Q3: Can I make these vegan?
Yes, use plant-based butter and check that your jam is vegan-friendly.
Q4: Can I reduce the sugar?
Yes, but note that it may affect the sweetness and texture of the crust.
Q5: How do I keep bars from crumbling?
Press the base firmly and let them cool completely before cutting.
Q6: Can I use steel-cut oats?
No, they won’t soften properly in this recipe.
Q7: Can I freeze these bars?
Yes, wrap individually and store up to 2 months.
Q8: Can I add spices?
Absolutely—cinnamon or nutmeg adds warmth.
Q9: Do these bars travel well?
Yes, they’re sturdy and great for picnics, potlucks, or packed lunches.
Q10: Can I substitute raspberry jam with sugar-free jam?
Yes, just ensure it has a thick consistency to avoid runny bars.
Conclusion
Raspberry Jam Oat Bars are everything you want in a homemade treat—sweet, crumbly, buttery, and just a little tangy. They’re simple enough for everyday baking yet beautiful enough to serve at gatherings. Let me tell you, it’s worth every bite. Whether as a snack, dessert, or breakfast companion, these bars will quickly become a family favorite.