Falafel Crusted Salmon on a Bed of Spinach

Name: Falafel Crusted Salmon on a Bed of Spinach
Ingredients: 2 wild salmon fillets, about 1 pound each, skin removed; Dijon mustard; 1 cup “Fantastic Falafel” mix; 1/4 teaspoon freshly ground black pepper; 1/4 teaspoon freshly ground cumin; Extra virgin olive oil (to film the pan); 2 additional tablespoons extra virgin olive oil; 1 medium-sized onion, chopped; 2 bags (10 ounces each) fresh spinach, stemmed, well washed and dried; 3 cloves garlic, finely chopped; 1 teaspoon grated fresh ginger; 4 tablespoons Balsamic vinegar