1 1/2 c. sifted flour
1 1/8 c. oatmeal
1 1/2 c. brown sugar
3/4 c. melted butter
1 1/2 c. water
1 1/2 tsp. cinnamon
6 c. diced rhubarb
1 1/2 c. sugar
3 tbsp. cornstarch
1 1/2 tsp. vanilla

Oil 9 x 13 inch pan. Mix until crumbly, flour, oatmeal, sugar, cinnamon and melted butter. Press half of crunch into oiled pan. Cover crumbs with diced rhubarb.

Combine sugar, cornstarch, water and vanilla. Cook until clear. Pour over rhubarb. Add remaining crumbs. Bake 1 hour at 350 degrees. Serve with ice cream.