2 large green leaves, stems removed and 2 inches trimmed from bottom of leaf
Process walnuts in bowl of food processor until coarsely ground. Combine walnuts in medium bowl with cumin and next three ingredients. Stir in tamari; set aside.
Place trimmed green leafs, dark side facing down, on cutting board. Spoon 2 tablespoons of walnut mixture in middle of leaf; top with 1 tablespoon salsa. Roll leaf, burrito style, folding one long side of leaf over filling toward centre. Fold short ends over filling, then remaining long side of leaf. Place filled leaf, cut sides down, on cutting board; slice diagonally into two pieces. Repeat process with remaining leaves and filling.