4 to 6 boneless chicken breasts
1 small onion
2 tbsp. garlic
1 c. vinegar
2 c. soy sauce

Place everything in 9 x 13 pan. Cover and put in the refrigerator for 1 hour. Turn chicken and leave sit for 1 more hour. Pour entire contents into saucepan and cook until approximately 1 cup of sauce remains. Serve over rice or noodles. Excellent flavor.