Filling semlor with sweet almond paste requires great concentration from Astrid Foster, age 7. Get the recipe for semlor. Deena Prichep/NPR hide caption

itoggle caption Deena Prichep/NPR

Mo Rocca didn't have the chance to learn his grandmother's recipes before she passed away. So he's doing the next best thing: In My Grandmother's Ravioli, he asks other people's grandparents to teach him how to cook. Courtesy of the Food Network/Cooking Channel hide caption

itoggle caption Courtesy of the Food Network/Cooking Channel