mix together the brown sugar, salt, crushed red pepper flakes, mint leaves, and brandy to make a paste. Rub the paste all over the salmon, wrap in plastic wrap, and refrigerate overnight.
Preheat an outdoor grill for high heat, and lightly oil the grate. Place soaked wood chips in a piece of aluminum foil at the back of the grill, under the grate. Allow the wood chips to begin smoking, then turn the heat to the lowest setting, position the salmon on the grate, and close the lid. Cook and smoke the salmon until it has turned a red-brown color and flakes easily.
1/2 cup brown sugar
2 tablespoons salt
2 tablespoons crushed red pepper flakes
1/2 cup finely chopped fresh mint leaves
1/4 cup brandy
1 (4 pound) salmon side, bones removed with pliers
2 cups wood chips, soaked in water