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Close up of raspberry crumble bars cut into square and stacked on a white round plate.

Raspberry Crumble Bars

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Jammy Raspberry Crumble Bars layer a buttery brown sugar crumble cookie-like base with sweet and tart raspberries dolloped with strawberry jam and finished with a crumble topping. This quick and easy recipe comes together in less than 1 hour using one dough for both the base and topping.



Crust and Crumble

  • 200 g (2 cups) old-fashioned oats
  • 140 g (1 cup) all-purpose flour
  • 165 g (3/4 cup) light brown sugar
  • 1 teaspoon ground cinnamon
  • 1/2 teaspoon salt
  • 226 g (1 cup) cold unsalted butter, diced

Raspberry Filling

  • 320 g (2 1/2 cups) fresh raspberries
  • 3 tablespoons light brown sugar
  • 2 tablespoons all-purpose flour
  • 1 teaspoon pure vanilla extract
  • Zest of 1 lemon
  • 110 g (1/3 cup) raspberry or strawberry jam


  1. Preheat oven to 350°F/177°C.  Line a 9x9-inch baking pan with parchment paper so that it hangs over the sides.
  2. For the crust and crumble: In the bowl of a food processor, pulse together the oats, flour, brown sugar, cinnamon, and salt until the oats are mostly ground. Add the cold butter and pulse until a coarse dough forms.
  3. Press 1/2 of the dough into the bottom of the prepared baking pan. Bake for 10-12 minutes or until lightly golden brown.
  4. For the filling: In a medium bowl, gently combine the raspberries, sugar, flour, vanilla, and lemon zest. Spoon the mixture into an even layer onto the warm crust and dollop the jam over the berries.
  5. Sprinkle the remaining dough over the raspberries. Transfer to the oven and bake for 30-40 minutes or until the crumble is light golden brown.
  6. Allow to cool completely before cutting into bars.


Storage: Store in an airtight container in the fridge for up to 5 days.

Freezer: Store in a freezer-safe container in the freezer for up to 3 months. Thaw overnight in the fridge or set them on the counter for 1-2 hours.

  • Prep Time: 15 minutes
  • Cook Time: 40 minutes
  • Category: Brownies & Bar
  • Method: Baking