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Raspberry Oatmeal Crumble Bars

  • Author: Patti
  • Total Time: 35 minutes
  • Yield: 9-12 bars 1x


  • 1/2 cup (1 stick) butter, melted
  • 1/2 cup granulated sugar
  • 1/4 cup light brown sugar, packed
  • 1 teaspoon vanilla extract
  • 1 cup all-purpose flour
  • 3/4 cup old-fashioned whole-rolled oats (don’t use quick cook or instant)
  • pinch of salt
  • 1 cup of raspberry preserves (seeded or seedless will work)


  1. Preheat oven to 350F. Line an 8×8-inch square pan with aluminum foil and spray with cooking spray (or you can just spray the pan), set aside.
  2. In a large microwave-safe bowl add the butter and cook until melted, about 1 minute.
  3. Whisk in the sugars and vanilla.
  4. Add the flour, oats, optional salt, and stir to combine.
  5. Set aside 1 heaping cup of the oatmeal mixture.
  6. Press remaining mixture into prepared pan. Evenly spread the raspberry preserves over the crust making sure you cover the entire crust. ( jam should be about 1/8-inch to 1/4-inch thick).
  7. Evenly sprinkle with the reserved heaping 1 cup crumble topping mixture. (For bigger chunks, squeeze some of the mixture in your hand).
  8. Bake for about 30 minutes or until edges are set and center has just set and is lightly golden browned.
  9. Place pan on a wire rack and allow bars to cool for at least 2 hours before slicing and serving.
  • Prep Time: 5 minutes
  • Cook Time: 30 minutes