1. Heat oven to 350 degrees F. Combine salt, pepper, rosemary and thyme in cup. Spread a pinch of herb mixture under skin of each chicken thigh; sprinkle remaining herbmixture over the chicken.
2. Heat 1 teaspoon oil in large skillet over medium-high heat. Add chicken, skin side down; brown 4 to 5 minutes. Turn and brown 4 to 5 minutes more. Drain all but 2 tablespoons drippings.
3. Add 1 teaspoon garlic to skillet; cook 15 seconds. Add vinegar; boil 1 minute. Add broth and mustard; return to boil. Reduce heat; cover and simmer 15 minutes, until chicken is cooked through. Arrange chicken on 4 plates, reserving sauce.
4. Meanwhile, combine bread, remaining 1 tablespoon oil, 2 teaspoons garlic and poultry seasoning in bowl; toss. Spread bread mixture on cookie sheet; bake 10 minutes. Return bread to bowl; toss with spinach, sauce from chicken and lemon juice. Serve with chicken. Makes 4 servings.