Tibia
larger of the two bones of the leg below the knee for vertebrates
Would you find a tibia beside parsley on a holiday plate?
The tibia of a goat is eaten during Passover, a Jewish holiday Parsley is served on a Passover seder plate beside the goat shank 
How is Passover celebrated? What part of a goat is eaten during #1? Is parsley typically served on the same plate as #2?