Combine 2 Tbsps. chopped walnuts, 2 Tbsp. olive oil, 2 Tbsp cheese, lemon juice, white vinegar, honey, Dijon mustard, and water into a small bowl. Add garlic and 1/4 tsp salt. Stir with a whisk
Line baking sheet with aluminum foil and lightly oil. Place salmon on baking sheet and rub salmon with remaining oil, salt, and pepper. Cook for 10-15 minutes depending on thickness of fillet
Comine greens and apple in large bowl. Slowly add dressing and toss until greens are lightly coated. Sprinkle remaining cheese and nuts on top of salad. Drizzle fillets with remaining dressing.