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rhubarb bar cookies
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4.50 from 2 votes

Rhubarb Bar Cookies

Bright, flavorful with a sweet-tart palate pleasing thing going on, these easy rhubarb bar cookies are a welcoming springtime treat!
Prep Time20 minutes
Cook Time25 minutes
Total Time45 minutes

Ingredients

  • 4 cups fresh or frozen rhubarb sliced ¼" thick
  • 1 cup organic sugar
  • ¾ water
  • 2 Tablespoons fresh squeezed lemon juice
  • 2 cups all-purpose flour or almond meal
  • 2 cups rolled oats
  • 1 cup brown sugar packed
  • 1 cup butter cut into small cubes, softened
  • ½ teaspoon sea salt

Instructions

  • Preheat oven to 400 degrees F. 
  • In a medium sauce pan, combine rhubarb, organic sugar and water. simmer over medium heat for 15-20 minutes or until thickened to a jammy consistency, stirring frequently. 
  • Remove from heat, add lemon juice and allow to cool.
  • Place remaining dry ingredients into the bowl of stand mixer or food processor. Pulse or mix to combine. Add the butter and pulse or mix until the mixture becomes a coarse meal.
  • Firmly press about 2/3 of the crumb mixture into a lightly greased 9"x13" pan. Pour cooled rhubarb mixture over crumb bottom, distributing evenly. 
  • Use the remaining crumb to sprinkle of the top of the rhubarb mixture, leaving small windows of rhubarb showing through.
  • Bake on the middle rack for 25-30 minutes, until crumb topping becomes lightly golden. Remove from oven and allow to cool completely before cutting with a sharp knife.