shrimp etouffee recipe

#### Ingredients: - **1/2 cup unsalted butter** - **1/2 cup all-purpose flour** - **1 large onion** (finely chopped) - **1 bell pepper** (finely chopped) - **2 celery stalks** (finely chopped) - **4 cloves garlic** (minced) - **2 cups chicken broth** - **1 can (14.5 oz) diced tomatoes** (with their juice) - **1 tablespoon tomato paste** - **2 teaspoons Worcestershire sauce** - **1 teaspoon hot sauce** (like Tabasco) - **1 teaspoon dried thyme** - **1/2 teaspoon paprika** - **1/2 teaspoon cayenne pepper** (optional, for heat) - **1 pound large shrimp** (peeled and deveined) - **1/4 cup chopped fresh parsley** - **4 green onions** (chopped) - **Salt and black pepper** (to taste) - **Cooked white rice** (for serving)