Though rhubarb is often matched with fruit in sweet dishes, it’s actually a vegetable. Rhubarb, in season in spring and summer, is low in calories and full of fiber, potassium and vitamin C. Our healthy rhubarb recipes, including rhubarb crisp, strawberry rhubarb pie, rhubarb cake, as well as savory dishes with rhubarb sauces, are delicious ways to embrace the tangy flavor of rhubarb.