From Pumpkin to Jack-O-Lantern Writing a “How To” paper Gather Tools Pumpkin Knife Pencil Bowl for seeds Removing Pulp and Seeds To make a jack-olantern you need to cut off the top. Then you need to take out the seeds and the pulp. Pumpkin Pulp and Seeds The inside of a pumpkin has pulp and seeds. Carving the Face After you remove the seeds and pulp, you carve a face on the pumpkin. You can draw the face with a pencil. Jack-O-Lanterns Many people put their jack-o-lanterns outside to greet trick-or-treaters.