Shrimp and Sausage Jambalaya

Name: Shrimp and Sausage Jambalaya
Cuisine: Southern, American
Ingredients: 1 tablespoons olive oil; 8 ounces smoked turkey sausage (cooked, sliced into 1/4 inch rounds); 1 medium yellow onion (chopped); 1 red or orange bell pepper (chopped); 3 stalks celery (chopped); 3 garlic cloves (chopped); 1 tablespoon tomato paste; 1 bay leaf; 2 teaspoons chopped (fresh thyme or 3/4 teaspoon dried thyme); 1/2 teaspoon dried oregano; 1/4 teaspoon cayenne pepper; 1 can (14.5 ounces diced fire-roasted tomatoes); 1 1/4 cups brown rice; 3 cups low-sodium chicken broth or water; 3/4 pound large shrimp (peeled and deveined); 1 tablespoon lemon juice; 4 scallions (sliced); Hot sauce for serving (optional); salt and pepper (to taste)