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Raspberry Crumb Bars

Raspberry Crumb Bars

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A delightful treat featuring a buttery crumb base and sweet raspberry jam center. Made with simple ingredients like flour, oats, brown sugar, butter, and raspberry jam, this recipe is perfect for any season and offers a delicious twist on traditional fruit bars.

Remember those cozy weekend mornings at Grandma’s house, where the air was always filled with the aroma of something sweet baking in the oven? That’s where my love for Raspberry Crumb Bars began. Grandma would whip up these bars with her special touch, using her homemade raspberry jam and a recipe passed down through generations. Each bite was a perfect blend of buttery, crumbly goodness and the sweet-tartness of raspberry. Now, whenever I bake these bars, it’s like a trip down memory lane, filling my kitchen with more than just the delicious scent, but also the warmth and love of those cherished moments.

Why You’ll Love Raspberry Crumb Bars

  • Seasonal Flexibility: Unlike other fruit-based desserts that rely on seasonal fruits, these Raspberry Crumb Bars use raspberry jam, making them a perfect treat any time of the year.
  • Simplicity in Preparation: With common pantry ingredients and straightforward steps, this recipe is ideal for both novice and experienced bakers.
  • Versatile Enjoyment: Whether as a dessert, snack, or even a breakfast treat, these bars are versatile and loved by all age groups.
  • Texture and Flavor Balance: The combination of the buttery, crumbly texture with the sweet and slightly tart raspberry jam creates a delightful sensory experience.

Ingredients Notes For Raspberry Crumb Bars

Embarking on the journey of making Raspberry Crumb Bars, let’s delve into the key players of this recipe. The all-purpose flour and rolled oats form the foundation, giving the bars their signature crumbly texture. The light-brown sugar not only sweetens the mix but also adds a hint of molasses flavor. Unsalted butter brings everything together, offering a rich, buttery base. And the star of the show, raspberry jam, with its sweet and tart profile, creates a delightful contrast. Choosing seedless jam can enhance the texture, making each bite smoother.

How To Make Raspberry Crumb Bars

Crafting Raspberry Crumb Bars is akin to painting a masterpiece. The process, although simple, requires a bit of finesse and patience.

  1. Preparation: Begin your culinary adventure by preheating your oven to a cozy 350 degrees F. Line your baking vessel with foil, creating a little overhang for easy removal.
  2. Mixing Dry Ingredients: In a large bowl, the flour, baking soda, and salt come together in a harmonious mix, followed by the introduction of oats and brown sugar. It’s a moment to get hands-on, ensuring any sugar lumps are lovingly broken apart.
  3. Incorporating Butter: Now, for the fun part – massaging the butter into the dry mix. This step is crucial, aiming for an evenly moistened mixture that forms the base and crumble of your bars.
  4. Assembling the Base: In your prepared baking dish, gently press 2 cups of your oat mixture, creating a firm and even layer – the perfect foundation for the raspberry jam.
  5. Adding the Raspberry Layer: Next, the raspberry jam is spread in an even layer, teasing the edges but not quite touching them. This is the sweet heart of your bars.
  6. Final Touches and Baking: Sprinkle the remaining oat mixture on top, pressing it slightly into the jam. This gives your bars that delightful crumbly top. Bake until golden brown, a process of transformation where flavors meld and textures form.
  7. Cooling and Serving: Patience is key here. Let the bars cool completely to achieve the perfect texture and ease of cutting. The end result is a tray of golden, jammy, crumbly delights ready to be devoured.

Storage Options

These Raspberry Crumb Bars not only taste like a dream, but they’re also a breeze to store. Once cooled, slice them into squares and tuck them away in an airtight container. They’ll happily sit on your countertop for a few days, making them a great make-ahead treat. For longer storage, they can be refrigerated, extending their delectability for up to a week. And if you’re a forward-thinker, these bars freeze beautifully. Just wrap them individually and freeze. When a craving strikes, simply thaw at room temperature and enjoy!

Variations and Substitutions

  • Jam Varieties: Don’t limit yourself to raspberry! Feel free to experiment with different types of jam or preserves – strawberry, blackberry, or apricot offer delightful twists.
  • Nutty Additions: For an extra crunch and flavor, consider adding chopped nuts like almonds or pecans into the oat mixture.
  • Gluten-Free Adaptation: Swap the all-purpose flour with a gluten-free blend to cater to those with dietary restrictions.
  • Vegan Version: Use plant-based butter and ensure your jam is vegan-friendly to make these bars suitable for a vegan diet.
  • Spice it Up: A pinch of cinnamon or nutmeg mixed into the oat mixture can add a warm, spicy note, perfect for the colder months.

Raspberry Crumb Bars

A delightful treat featuring a buttery crumb base and sweet raspberry jam center. Made with simple ingredients like flour, oats, brown sugar, butter, and raspberry jam, this recipe is perfect for any season and offers a delicious twist on traditional fruit bars.
3.77 from 30 votes
Print Pin Rate
Course: Dessert
Cuisine: American
Prep Time: 15 minutes
Cook Time: 35 minutes
Total Time: 50 minutes
Servings: 12


  • 1 cup of All-Purpose Flour
  • 1/4 teaspoon of Baking Soda
  • 1/4 teaspoon of Salt
  • 1 cup of Rolled Oats Old Fashioned
  • 1/2 cup of Light-Brown Sugar firmly packed
  • 1/2 cup of Unsalted Butter softened
  • 3/4 cup of Raspberry Jam seedless variety may be preferred


  • Oven Preparation: Initiate by preheating your oven to a temperature of 350 degrees Fahrenheit. Proceed to line an 8-inch square baking dish with aluminum foil, ensuring there is a 2-inch overhang on two opposite sides. This overhang aids in the removal of the bars post-baking. Once lined, lightly grease the foil.
  • Dry Ingredient Mixture: In a sizeable mixing bowl, commence by thoroughly whisking together the all-purpose flour, baking soda, and salt. Following this, integrate the rolled oats and light-brown sugar. During this step, it is imperative to use clean fingertips to disperse any clumps of brown sugar, ensuring a uniform mixture.
  • Incorporating Butter: Proceed to add the softened unsalted butter to the bowl. Employ your fingertips to blend the butter into the dry ingredients. The aim here is to achieve a mixture that is evenly moistened, which will form the crumb base and topping for the bars.
  • Assembling the Base: Transfer approximately 2 cups of the oat mixture into your prepared baking dish. Press the mixture down firmly to form a consistent and even layer. This will serve as the base for the raspberry filling.
  • Adding the Raspberry Layer: Carefully spread the raspberry jam over the oat base, ensuring an even distribution. Maintain a small margin, approximately 1/4-inch, from the edges to prevent the jam from seeping out during baking.
  • Final Layer and Baking: Disperse the remaining oat mixture over the raspberry layer, gently pressing it down to form a crumbly top. Place the dish in the preheated oven and bake until the surface turns a golden brown, which typically takes about 34 to 38 minutes.
  • Cooling and Serving: Upon removal from the oven, it is crucial to allow the Raspberry Crumb Bars to cool completely in the dish. This cooling process is essential for the bars to set properly, facilitating easier cutting into squares. Once cooled, lift the bars out using the foil overhang and cut them into desired sizes. For storage, place in an airtight container.
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