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Grandma Bonnie’s Rhubarb Crunch

Keyword: heritage pastry flour, Heritage White Flour, oat cereal, oats, rhubarb crunch



  • Heat oven to 350F.
  • Combine brown sugar, oats, flour, melted shortening, and cinnamon. Remove about 1 cup of crumble for later. Press the remaining mixture into the bottom of a greased pie tin or cake pan to form the crust.
  • Dice rhubarb and spread over the crust.
  • Combine sugar, cornstarch, water, and vanilla in a saucepan. Over low heat, cook until thick and clear. Pour mixture over rhubarb.
  • Add remaining crumble mixture over the top.
  • Bake for 1 hour.
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