2cups(about 3/4 pound) rhubarb,cleaned, ends trimmed, cut into 1/2-inch pieces
1 1/2tablespoonscorn starch
1/3cuppacked brown sugar
6tablespoonscold unsalted butter,cut into small pieces
Ice cream or whipped cream, for serving
Preheat oven to 375 degrees F with rack in the middle position. Coat a 9x9-inch baking dish with nonstick cooking spray.
In a large bowl, toss strawberries and rhubarb with the sugar, cornstarch, and salt, making sure everything gets mixed and coated. Pour into prepared baking dish.
For the crumble topping, in a medium bowl, mix the flour, brown sugar, granulated sugar, cinnamon, and salt. Work in the butter with your hands, until large moist clumps form. Sprinkle over the strawberry-rhubarb mixture.
Place dish on a foil-lined baking sheet; bake until topping is browned and fruit is bubbly and tender underneath, 45 minutes.
Let cool for 10-15 minutes. Serve with ice cream or whipped cream!