Dipping Sauce: Mix about 2 Tbsps. of Grey Poupon (or similar) mustard with 1 Tsp. honey and 1 Tbsp. dark soy sauce.
The worst part is the wrapping, but that might take only 15 minutes or so once you get adept and have a little practice.
These rolls reheat well by low temp (325) oven or microwave. Heat before serving, but they're OK at room temp.