Drizzle salmon with 1 tbsp. vinaigrette.
Place on a broiler pan coated with cooking spray.
Broil 3 - 4-inches from the heat for 10 - 15 minutes or until fish flakes easily with a fork.
Once removed from the oven, cut salmon into 2 pieces.
While salmon is broiling, in a large bowl, toss spinach with remaining vinaigrette.
Divide between 2 plates.
Top with the salmon, avocado, walnuts, sunflower kernels and cranberries.