1 tablespoon canola oil
1 tablespoon minced garlic
1 tablespoon minced ginger
1 tablespoon minced green onion
1 teaspoon red pepper flakes
1/2 cup orange juice
1/2 cup hoisin sauce
3/4 cup soy sauce
3 tablespoons honey
2 teaspoon sesame oil
4 (8-ounce) salmon steaks, 1-inch thick
Salt and freshly ground black pepper
Vegetable oil, for brushing
3 cups baby spinach