One-Pan Herby Salmon and Couscous

Name: One-Pan Herby Salmon and Couscous
Prep time: 25 min
Cook time: 25 min
Total time: 50 min
Cuisine: Mediterranean
Ingredients: 4 (5-6 oz) Skinless Salmon Filets; 1 tsp Kosher Salt; 1 tsp Ground Black Pepper; ½ tsp Garlic Powder; ½ tsp Onion Powder; 1½ tbsp Olive Oil; 1 Medium Yellow Onion ((finely chopped)); 4 Garlic Cloves ((minced)); 1½ cups Pearl Couscous; ¼ tsp Red Pepper Flakes; 2¼ + ⅓ cups Chicken Broth; 4 packed cups Baby Spinach Leaves; Zest and Juice from ½ a Lemon; 3 tbsp Chopped Dill; 3 tbsp Chopped Basil; ⅓ cup Grated Parmesan