Season the Halibut with Salt and Pepper and Grill until your desired doneness.
Gently toss the salad greens in enough vinaigrette to coat the greens.
Plate 1 cup of mashed potatoes in the center of your dinner plate.
Place the dressed greens on the mashed potatoes.
Place the Grilled Halibut on the Salad greens and brush with melted butter.
Garnish the plate with a circle of vinaigrette around the potatoes. Garnish the Halibut with pine nuts and chopped parsley. Serve immediately.