Raspberry Jam Crumble Bars

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These simple raspberry jam crumble bars have a buttery, crumbly base smothered in a layer of sweet and tangy raspberry preserves, topped with even more crumbly goodness.

These bars have the perfect balance of flavors and textures, making each bite sweet, tangy, and crunchy. You won’t be able to eat just one.

Raspberry jam bars in an old baking pan with one laying on top.

The Simplicity of Raspberry Jam Crumble Bars

One of the best things about raspberry jam crumble bars is how simple they are to make. You’re going to be amazed at how just a few basic ingredients can come together to create something so incredibly delicious. This recipe calls for:

  • 1/2 cup unsalted butter (melted and slightly cooled)
  • 3/4 cup brown sugar (light or dark, I used dark for the added carmel-y flavor)
  • 1 tsp vanilla extract
  • 1/2 tsp sea salt
  • 1 cup all-purpose flour
  • 3/4 cup rolled oats (not quick-cooking)
  • 1 heaping cup of raspberry preserves
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Raspberry jam bars cut in squares in a baking pan.

The Taste of These Bars

Imagine biting into a crumbly yet soft, buttery crust with a slight hint of vanilla. The first layer gives way to the main attraction, a generous spread of sweet and slightly tangy raspberry preserves. The top is sprinkled with even more crumbles, providing the perfect contrast in texture and flavor.

Every bite is a delightful balance of sweet and buttery with a burst of fruity goodness. This is the type of dessert that’s hard to resist, and you’ll find yourself reaching for seconds…or thirds.

Jam bars cut in squares stacked up on antique spatula.

How to Make Raspberry Jam Crumble Bars

The process of making these bars is as enjoyable as eating them haha. Here’s a step-by-step guide (more details can be found in the recipe card below):

  1. Preheat your oven to 350 degrees and line an 8 x 8 pan with parchment paper or grease with butter or non-stick cooking spray.
  2. In a large glass (microwave safe) bowl, melt the 1/2 cup of unsalted butter and allow it to cool slightly.
  3. Add the 3/4 cup of brown sugar, 1 tsp of vanilla extract, and 1/2 tsp of sea salt to the melted butter, stirring until the sugar is completely dissolved and the mixture is nice and smooth.
  4. Stir in 1 cup of all-purpose flour and 3/4 cup of rolled oats and mix until it’s even and well combined.
  5. Reserve 1/2 cup of the oat mixture for the topping. Press the remaining oats into the bottom of the greased baking pan, patting it smooth.

Tip

When sprinkling the crumbles, make sure to use big chunks and not cover the raspberry completely. You want some of the raspberry peeking through. As it bakes, the jam will bubble up and create the prettiest top.

  1. Cover the oats with 1 heaping cup of raspberry preserves. Using the back side of a spoon, spread the preserves around evenly. The jam should be about 1/8 to 1/4 inch thick.
  2. Sprinkle the reserved 1/2 cup of oats in crumbles evenly over the jam.
  3. Bake for 25 minutes, rotating the pan halfway through for even baking.
  4. Allow the bars to cool completely in the pan, then carefully slice and serve.
  • Be sure to check out the full ingredient list and recipe instructions below.
Jam bars in an antique baking pan with one bar on its side to show the inside.

Storing Your Jam Bars

If you manage to have any Raspberry Jam Crumble Bars left, here’s how to store them to keep them fresh and delicious. To extend their shelf life, store the bars in an airtight container at room temperature for up to 3 days.

If you want to keep them around for a longer period of time, refrigerate them for up to a week. Or, you can freeze them, tightly wrapped in an airtight container or Ziplock bag, for up to 3 months. However, I doubt they’ll last that long, haha!

Customizing Raspberry Jam Crumble Bars

While these bars are heavenly on their own, you can always get creative with them. Here are some of my favorite ideas…

  • Nuts: Chopped almonds, walnuts, or pecans can be mixed into the crumbly base for a delightful crunch.
  • Citrus Zest: Adding a bit of lemon or orange zest to the base can provide a refreshing citrus note to complement the raspberry jam.
  • Spices: A pinch of cinnamon or a dash of nutmeg in the crumb mixture can give the bars a warm and cozy flavor.
  • Chocolate: For a sweeter twist, consider adding chocolate chips or chunks into the base or as a drizzle on top.
Raspberry jam crumble bars sitting in an antique baking pan with an old spatula.

Raspberry jam crumble bars are a simple treat you can make in no time. Their sweet, buttery, and fruity flavor is irresistible, and the crumbly texture adds a lovely contrast. So, the next time you’re in the mood for an easy and mouthwatering dessert, give this easy recipe a try. Just be prepared to share because they’re so good that everyone will want one.

Raspberry jam crumble bars sitting in an antique baking pan with an old spatula.

Raspberry Jam Crumble Bars

By: Kristine Underwood
These simple raspberry jam crumble bars have a buttery, crumbly base smothered in a layer of sweet and tangy raspberry preserves, and topped with even more crumbles. These bars have the perfect balance of flavors and textures, making each bite sweet, tangy, and crunchy.
4.89 from 9 votes
Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Course Sweets & Dessert
Cuisine American
Servings 9 bars
Calories 343 kcal

ingredients
 
 

  • 1/2 cup unsalted butter (melted and slightly cooled)
  • 3/4 cup brown sugar (light or dark)
  • 1 tsp vanilla extract
  • 1/2 tsp sea salt
  • 1 cup flour (all-purpose)
  • 3/4 cup rolled oats (not quick-cooking)
  • 1 cup raspberry preserves (heaping cup)

INSTRUCTIONS

  • Preheat oven to 350 degrees and line or grease an 8 x 8 baking pan.
  • In a large glass bowl, melt butter and allow to cool for a minute or two.
    1/2 cup unsalted butter
  • Add brown sugar, vanilla, and sea salt and stir until the sugar is completely dissolved and smooth.
    3/4 cup brown sugar, 1/2 tsp sea salt, 1 tsp vanilla extract
  • Stir in flour and rolled oats. Mix until well combined.
    1 cup flour, 3/4 cup rolled oats
  • Reserve 1/2 cup of the oat mixture for the topping. Press remaining oats into the bottom of a greased baking pan and pat smooth.
  • Cover oats with 1 heaping cup of raspberry preserves and spread it evenly. Jam should be 1/8 to 1/4 inch thick.
    1 cup raspberry preserves
  • Sprinkle the reserved 1/2 cup oats in crumbles evenly over the jam.
  • Bake for 25 minutes, rotating the pan halfway through.
  • Allow bars to cool completely in the pan, then carefully slice and serve.

Nutrition

Serving: 1 barCalories: 343kcalCarbohydrates: 59gProtein: 3gFat: 11gSaturated Fat: 7gPolyunsaturated Fat: 1gMonounsaturated Fat: 3gTrans Fat: 0.4gCholesterol: 27mgSodium: 149mgPotassium: 97mgFiber: 1gSugar: 36gVitamin A: 315IUVitamin C: 3mgCalcium: 32mgIron: 1mg
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Recipe Rating




11 Comments

  1. These are such a treat! And so so easy to make. I’m much more of a bar gal than cookies, so this recipe got me real excited. Very tasty bars!5 stars

  2. This was a huge hit at my house! I will definitely make it again!5 stars

    1. Woo! So glad to hear it, Toni! With such an easy to make recipe, it’s hard not to make them often. Thanks for the review, I really appreciate it!

  3. Love a simple recipe that I can make without running to the store for ingredients. Buttery and delicious, and really very budget friendly…5 stars

    1. It sure is Leva, one of my favorite things about it too! So glad to hear you enjoyed them. I appreciate the review!

  4. These are so perfect for fall baking. Everyone absolutely loved them!5 stars

  5. These are so gooey and crumbly and just the right amount of sweet!5 stars

    1. Thank you so much, Michelle! Such an easy recipe for a treat, really glad you enjoyed them!

  6. Really tasty! I had to add a half cup more flour to get the dough crumbly (it was absolutely soup), but it turned out fantastically decadent. I found the leftovers to be a bit too greasy to really love, but I stilled enjoyed them. Not sure why they were so much better on day one?4 stars