Step 1

Preheat oven to 375 degrees F with rack in the middle position. Coat a 9x9-inch baking dish with nonstick cooking spray.

Step 2

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.

Step 3

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.

Step 4

Place dish on a foil-lined baking sheet; bake until topping is browned and fruit is bubbly and tender underneath, 45 minutes.

Step 5

Let cool for 10-15 minutes. Serve with ice cream or whipped cream!