Lemon Chicken With Thyme
["3 Tbsp. flour", "1/2 tsp. salt", "1/4 tsp. pepper", "4 skinless, boneless chicken breast halves (1 lb total)", "2 Tbsp. olive oil", "1 medium onion", "1 Tbsp. margarine", "1 c. chicken broth", "3 Tbsp. lemon juice", "1/2 tsp. thyme", "lemon wedges (optional)", "2 Tbsp. chopped parsley"]
["In a plastic or paper bag, combine the flour, salt and pepper and shake to mix.", "Add the chicken and shake to coat lightly. Remove the chicken and reserve the excess seasoned flour."]
["flour", "salt", "pepper", "skinless", "olive oil", "onion", "margarine", "chicken broth", "lemon juice", "thyme", "lemon wedges", "parsley"]