Rhubarb crisp with oatmeal is an easy dessert that everyone loves! It's also a delicious way to use up extra rhubarb during the late spring and early summer. Happy baking!
In a large bowl, combine the rhubarb, sugar, and vanilla extract. Stir until combined evenly.
Dissolve the cornstarch by stirring into the lemon juice and pour over fruit mixture. Toss to combine.
Spread the fruit mixture evenly into a 9x13 baking dish.
Prepare the topping by combining flour, oats, brown sugar, cinnamon, and a pinch of salt in a medium mixing bowl. Cut cold butter into flour/sugar mixture using a pastry blender until the mixture clumps together into small crumbly pieces.
Spread the streusel topping over the rhubarb mixture in the baking dish.
Bake for about 45 minutes or until the filling is bubbly and the crisp topping is golden brown.
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Notes
Storage: Refrigerate for up to 4 days or freeze for 2 months. Notes: No need to be concerned if your rhubarb stalks aren't the same color as the ones in this recipe. Rhubarb comes in various colors, ranging from green to different shades of red, depending on the variety. The color of the stalk doesn't reflect its ripeness.Rhubarb has a naturally tart flavor with a hint of sweetness, which is why most recipes, including ours, add sugar to balance out the tartness of the dish.Before you start cooking, wash the rhubarb stalks and cut off the ends. Remember, the leaves of the rhubarb plant are poisonous and should not be eaten.