1. For roux: In a heavy medium saucepan, cook flour over medium heat about 6 minutes or until brown, stirring occasionally. Remove from heat; cool slightly. Gradually stir broth into flour. Cook and stir until thickened and bubbly.

2. Pour thickened flour mixture into a 3 1/2- or 4-quart slow cooker. Add chicken, sausage, okra, the water, onion, sweet pepper, celery, garlic, thyme, black pepper, and cayenne pepper.

3. Cover and cook on low-heat setting for 6 to 7 hours or on high-heat setting for 3 to 3 1/2 hours. Skim off fat. Serve gumbo over hot cooked brown rice. Makes 8 (3/4-cup) servings.