Spicy Turkey Sweet Potato Gumbo

Name: Spicy Turkey Sweet Potato Gumbo
Ingredients: 2 teaspoons vegetable oil; 1 pound skinless, boneless turkey thigh meat, trimmed and cut into 1-inch pieces; 1 pound hot Italian-style turkey sausage links, casings removed; 1 cup chopped onion; 1 cup chopped celery; 1 cup chopped green bell pepper; 4 garlic cloves, minced; 0.5 cup all-purpose flour; 2 cups peeled cubed sweet potato; 1 teaspoon dried thyme; 1 teaspoon dried oregano; 2 (14.5 ounce) cans chicken broth; 1 (14.5 ounce) can diced tomatoes; 1 bay leaf; 0.5 teaspoon hot pepper sauce