This crumble has the classic sweet and tangy rhubarb flavor topped with a buttery, gluten free crumble topping, perfect with ice cream or whipped cream.
Melt the butter, either in a glass bowl in the microwave or in a small saucepan on the stovetop.
In a medium bowl add the melted butter, and brown sugar. Stir until combined. Next, add the flour and rolled oats. Stir and set aside.
Chop the rhubarb into pieces about a quarter of an inch in size. Add to a 9x13-inch greased baking pan and spread out in an even layer.
Next, add the raspberries and sliced strawberries.
Sprinkle the sugar and cornstarch over the fruit.
Pour the water and lemon juice over the fruit. Stir
Add the crumble topping in an even layer over the fruit.
Sprinkle the pecans over the crumble.
Bake in a preheated oven for 1 hour or until the crumble is golden brown and the fruit mixture is cooked down and thickened.
Serve the crumble warm with ice cream or whipped topping.
Store on the countertop, covered for up to four days.
Notes
Note 1: Recipe was tested with Bob's Red Mill 1-to-1 gluten free flour.Note 2: Use certified gluten free oats.Note 3: Frozen rhubarb can also be used. Reduce the water a bit. This is also true for strawberries and raspberries.