To serve, remove lime butter from freezer, and cut into thick rounds.
Wash eggplant and cut into rounds 1/4 inch thick.
Cut each half into 6-8 thick hollow rounds.
Cut away and discard the ends and slice the carrots into rounds 1/2-inch thick.
Peel the eggplant and slice into 1/4-inch thick rounds.
Slice into 1/4-inch thick rounds and arrange in single layer in a baking dish.
Trim the uneven ends off the rolls and slice each into rounds 1/2-inch thick.
Tightly roll up the nori and cut across into 1/2-inch thick rounds.
Peel sweet potatoes and slice into rounds 1/4-inch thick.
You should have 6 thick rounds of cabbage, each wrapped in foil and tied.