Nothing states homemade dessert like rhubarb, and Martha Stewart maximizes "the pie plant" with a recipe for rye crisps that comes together in an instant. Rhubarb pairs nicely with sweet fruits such as raspberries– or strawberries or peaches– to temper its tartness, and rye grain brings a bold taste to the crumble topping on this super-simple dish. Keep this flexible dish close at hand, due to the fact that it can perfectly adjust to nearly any seasonal…