Place cashew "butter" ingredients in a blender and puree until smooth.

Brush the grill rack with vegetable oil.

Place fish on grill 4-6 inches from medium heat for 3-4 min. with the grilled closed/covered.

Turn fish over and spread the cashew butter evenly on each piece of salmon.

Continue grilling covered for another 4-6 minutes until the salmon easily flakes.

Place filets on buns and serve.