Delicious Rhubarb Crisp Recipe That Will Make You Feel Like Grandma's with Every Bite

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Delicious Rhubarb Crisp Recipe That Will Make You Feel Like Grandma's with Every Bite
Prep Time:
20 mins
Cook Time:
60 mins
Total Time:
Recipe by Administrator
Published on September 07, 2023

Indulge in the nostalgic flavors of your childhood with this old-fashioned rhubarb crisp recipe passed down from Grandma Donna. This sweet and tangy dessert combines the tartness of fresh rhubarb with a crispy oat topping, creating a symphony of flavors in every bite. It's perfect for Sunday dinners, potlucks, or any occasion when you want to bring a taste of nostalgia to the table. So gather your ingredients and let's get started on this timeless classic!


  • 4 cups diced rhubarb
  • 1 cup white sugar
  • 3 tablespoons all-purpose flour
  • 1 teaspoon ground cinnamon
  • 1 cup old-fashioned oats
  • 1 cup all-purpose flour
  • 1 cup packed brown sugar
  • 1/2 cup unsalted butter, melted


  1. Preheat your oven to 350°F (175°C) and grease a 9x13-inch baking dish.
  2. In a large mixing bowl, combine the diced rhubarb, white sugar, 3 tablespoons of flour, and ground cinnamon. Toss until the rhubarb is evenly coated.
  3. Pour the rhubarb mixture into the prepared baking dish, spreading it out evenly.
  4. In another mixing bowl, combine the oats, 1 cup of flour, and brown sugar. Mix well.
  5. Slowly pour in the melted butter, stirring continuously until the mixture resembles coarse crumbs.
  6. Sprinkle the oat mixture on top of the rhubarb in the baking dish, covering it completely.
  7. Bake in the preheated oven for 40-45 minutes or until the rhubarb is tender and the topping is golden brown.
  8. Remove from the oven and let it cool for a few minutes. Serve warm or at room temperature.
  9. Optional: Serve with a scoop of vanilla ice cream or a dollop of whipped cream for some added indulgence.

Interesting Facts

  • Rhubarb is actually a vegetable, although it is often used in desserts and considered a fruit.
  • The leaves of the rhubarb plant are toxic and should never be consumed.
  • Rhubarb is a good source of vitamin K, vitamin C, and dietary fiber.
  • This recipe can also be made with a combination of rhubarb and strawberries for a sweeter twist.