Rhubarb Crumble

Ingredients

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• 2 cups all-purpose flour
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• 1/2 cup plus 3 tablespoons white sugar, divided
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• 1 large egg
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• 2 teaspoons vanilla sugar
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• ½ cup unsalted butter, cubed and softened
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• 3 ½ cups chopped rhubarb
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• 2 tablespoons cold unsalted butter, cubed
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Instructions

1. 1
   Sift flour into a large bowl, making a well in the center. Add 1/2 white cup sugar, egg, and vanilla sugar into well. Distribute 1/2 cup softened and cubed butter evenly on top; mix into a dough using your hands. Cover and refrigerate for 30 minutes.
2. 2
   Preheat the oven to 325 degrees F (165 degrees C). Grease a 9-inch springform pan.
3. 3
   Place 2/3 of the dough in the prepared pan, smoothing out any bubbles. Cover with rhubarb.
4. 4
   Crumble remaining dough between your fingers and sprinkle over rhubarb. Sprinkle with remaining 3 tablespoons white sugar, then scatter 2 tablespoons cold cubed butter over streusel.
5. 5
   Bake in the preheated oven until streusel is lightly brown and crisp, 40 to 50 minutes.