Shrimp Etouffee

Name: Shrimp Etouffee
Prep time: 10 min
Cook time: 35 min
Total time: 45 min
Cuisine: American
Ingredients: 1 ½ pounds medium shrimp (peeled and deveined); 1 tablespoon Cajun seasoning; 1 tablespoon vegetable oil; ⅓ cup butter; ⅓ cup all-purpose flour; 1 small onion (chopped); ½ green bell pepper (chopped); 2 ribs celery (chopped); ¼ teaspoon dried thyme leaves; 4 cloves garlic (minced); 3 cups shrimp stock (or chicken broth); 2 cups diced fresh tomatoes; 3 tablespoons Worcestershire sauce; 2 bay leaves; salt and black pepper (to taste); ¼ cup sliced green onion; ¼ cup chopped fresh parsley; ½ lemon (juiced)