Bring the sugar and water to a boil in a small pan, cool

Stir in the fish sauce, lime juice, chile, sesame seeds scallions

Drain crabmeat if necessary

Julienne lettuce

Pull leaves from mint and cilantro

Wash and dry sprouts

Heat a large pan of water over low heat to 110 degrees

Soak rice paper sheets in water until soft

Working on a board covered in a damp towel, place refreshed rice paper on damp towel

Place a small portion on lettuce in center of sheet, top with 2T crab, a few herb leaves, a pinch of nuts, a scattering of sprouts and a slice of the cucumber

Roll, burritto style, top to bottom, folding in the sides of the rice paper as you roll

Serve with the dipping sauce