All-purpose flour, for rolling • Rhubarb: Let's talk about rhubarb season. Sure, you may be able to find it yearlong, but it's only in season in the U.S. from April to June, which is when I recommend ...

KEILLOR: (Singing) Mama's little baby loves rhubarb, rhubarb, Beebopareebop Rhubarb Pie. Mama's little baby... MARTIN: It's a parody of an old timey radio ad. And all that foot stomping is sort of ...

KEILLOR: (Singing) Mama's little baby loves rhubarb, rhubarb, Beebopareebop Rhubarb Pie. Mama's little baby... MARTIN: It's a parody of an old timey radio ad. And all that foot stomping is sort of ...