Cream sugar and butter for ... bottom layer. Add oatmeal, flour, salt, soda. Mix ... inch pan. Cook rhubarb mixture until thickened. Put on ... warm. Good for freezing.
Dissolve cornstarch in water. Mix ... Set aside. Mix oatmeal, flour, brown sugar, soda ... inch pan. Pour rhubarb over and sprinkle remaining crumbs ... 30 to 35 minutes.