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A picture of Raspberry Crumble Bars

Raspberry Crumble Bars


  • Author: Lindsay
  • Total Time: 1 hour 30 minutes
  • Yield: 12-18 bars 1x

Description

These Raspberry Crumble Bars are THE BEST! So soft, buttery, and delicious. My favorite summer dessert.


Ingredients

Units Scale

Raspberry Filling

  • two 12-ounce bags of frozen raspberries (see notes)
  • 1/2 cup granulated sugar (more depending on tartness of your berries)
  • 2 tablespoons flour
  • 1 tablespoon cornstarch
  • juice of one lemon

Crumble Layer

  • 3 cups rolled oats
  • 3 cups flour
  • 2 cups brown sugar (loosely packed)
  • 1 teaspoon baking powder
  • 1 1/2 cups melted butter (I prefer salted)
  • 1/2 teaspoon salt

Instructions

  1. Prep Raspberries: Preheat the oven to 350 degrees. Place raspberries in a large colander. Run warm water over them for a minute, and then let the liquid drain out for about an hour until softened and thoroughly drained (see notes). Mix raspberries with sugar, flour, cornstarch, and lemon juice.
  2. Soft Delicious Crust: Mix the oats, flour, sugar, baking powder, butter, and salt together into a crumble-like mixture. Press two thirds of the crumble into the bottom of a 9×13 pan lined with parchment paper. Bake for 10 minutes.
  3. Bake: Arrange the raspberry layer on top of the baked bottom layer. Sprinkle with remaining crumble. Bake for another 25-30 minutes.
  4. Finish: Remove from oven. They will need a little time to set up into “bar” formation, so chill them for a few hours to get them really solid. Orrrr… cut into it right away and eat it like a soft fruit crisp! You should be able to remove them from the pan easily by pulling up on the edges of the parchment paper.

Notes

Thawing and draining the raspberries is important for getting the bars to firm up. When thawing the raspberries in the colander, you can gently squeeze them with your hands or press lightly with a spoon to get more liquid out. They will probably still be a little wet and mushy, which is fine. You just don’t want to have tons of excess water seeping out.

If you’d rather not mess with thawing, you can also use fresh raspberries! However, this is usually more expensive because it requires A LOT of fresh raspberries. And I found my fresh raspberry version to be very, very juicy. Like, kind of hard to eat.

I highly recommend the chill time! It helps them set up into bars that hold their shape really well. Also because I am weirdly obsessed with cold dessert bars and I think they taste so good.

Also, nothing against raspberries, but I’m inclined to believe that you could kinda put anything in between two layers of that crumbly cookie-like crust and be very happy with yourself.

I recommend using old fashioned rolled oats, not quick oats.

  • Prep Time: 1 hour
  • Cook Time: 30 minutes
  • Category: Dessert
  • Cuisine: American

Keywords: raspberry crumble bars, raspberry bars, berry bars