Combine first five things; coat fish with it. Place fillets in large skillet coated with cooking spay over medium heat. Top each fillet with butter and cilantro. Saute 4 minutes on each side or until fish flakes.
Heat tortillas per pkg. instructions. Divide fish among them. Drizzle with sauce. Top with cheese, tomatos, guacamole and salsa. Fold in half.
Sauce: Place all sauce ingredients in food processor or blender. Process stil smooth.