Mediterranean Chicken
["2 Tbsp. margarine or butter", "2 cloves garlic, crushed", "1 small onion, chopped (about 1/4 c.)", "6 boneless, skinless chicken breast halves (about 1 1/2 lb.)", "1/2 c. red wine vinegar", "2 tsp. chopped fresh or 1/2 tsp. dried thyme leaves", "1/2 tsp. salt", "1/4 tsp. pepper", "2 large tomatoes, chopped (about 2 c.)", "1 can (2 1/4 oz.) sliced ripe olives, drained"]
["Heat margarine in 10-inch skillet over medium-high heat until melted.", "Cook garlic, onion and chicken in margarine until chicken is brown on both sides.", "Stir in remaining ingredients; reduce heat.", "Cook 10 to 15 minutes or until juice of chicken is no longer pink when centers of thickest pieces are cut.", "Yields 6 servings."]
["margarine", "garlic", "onion", "chicken", "red wine vinegar", "thyme", "salt", "pepper", "tomatoes", "olives"]