Easy Chicken & Dumplings with biscuit

2 tablespoons all-purpose flour 1/4 teaspoon dried sage 1/4 teaspoon dried thyme , crushed 1/8 teaspoon pepper 1 1/4 cups chicken broth 1 tablespoon dried[...]

4 boneless skinless chicken breasts 1 (4 1/2 ounce) can refrigerated buttermilk biscuits 1 (14 ounce) can reduced-sodium chicken broth 1 small onion , chopped[...]

3 tablespoons butter 1 large onion , diced 1 cup diced carrot 1 bell pepper , diced (red or green) 2 stalks celery , diced (optional) 3 tablespoons flour 1[...]