1) Put the rhubarb in the bottom of 23 cm x 28 cm glass cake/baking pan... 2) Mix the gelatin and the sugar, pour over the rhubarb, cover with the marshmallows, then pour the cake mix on top of everything... 3) Bake in a 350� oven for 45 to 50 min... cool to room temperature and then refrigerate `til ready to serve, garnish as desired... cf From Fred Goslin on Cyberealm Bbs, home of KookNet in Watertown NY (315) 786-1120