Pan Seared Cod Over Vegetable Ragout Recipe

Name: Pan Seared Cod Over Vegetable Ragout Recipe
Ingredients: 2 1/2 tsp olive oil, divided; 1/2 c. diced prosciutto ( about 2 ounces); 3 garlic cloves, minced; 4 c thinly sliced shiitake mushroom caps ( about 10 ounces); 1 1/2 c chopped leek; 3 c diced plum tomato ( about 1 pound); 1/4 tsp salt; 1/4 tsp freshly ground pepper; 1 ( 10-ounce) package fresh spinach, coarsely chopped; 1 cup torn fresh basil leaves; 4 (6-ounce) cod or other firm white fish fillets ( 1-inch thick); 1 tbsp all purpose flour