Ingredients
6 cups fresh rhubarb stocks, diced
1 cup brown sugar
3/4 cup oatmeal
1 cup flour
1/2 cup butter, melted
1 cup sugar
2 tablespoons cornstarch
1 cup water
1 teaspoon vanilla extract
Preparation
Mix brown sugar, oatmeal, and flour. Add melted butter and combine until crumbly. Put 2/3 of this mixture on the bottom of a greased 9 x 12 pan.
Cover oatmeal mixture with diced rhubarb. Set aside.
Cook sugar, cornstarch, water and vanilla extract until thick. Pour over rhubarb and sprinkle remaining crumb mixture on top.