- 1 cup rolled oats
- 1 cup all-purpose flour
- 1/2 cup brown sugar
- 1/2 cup butter, melted
- 2 cups chopped strawberries
- 2 cups chopped rhubarb
- 1 cup cold water
- 1/2 cup white sugar
- 1 tablespoon cornstarch
- Preheat oven to 350 degrees F (175 degrees C).
- Mix oats, flour, brown sugar, and butter together in a bowl; press mixture into the bottom of a 9-inch pie pan. Top with strawberries and rhubarb.
- Stir water, white sugar, and cornstarch together in a saucepan. Bring to simmer, constantly whisking, until mixture bubbles and thickens; pour over fruit layer.
- Bake in the preheated oven until bubbling, about 1 hour.