Method
In large bowl, mix soup, sugar, vinegar oil, mustard, pepper, chili powder, cumin, oregano, basil, garlic powder, and parsley. Reserve 3 quarts plus 1 cup. Store covered in refrigerator at 40 degrees F or lower.
Pour remaining soup mixture over chicken. Store covered in refrigerator at 40 degrees F or lower overnight.
Remove chicken from marinade. Discard marinade. Lightly oil 2 sheet pans (26" x 18 x 1"). Place chicken on sheet pans. Bake at 350 degrees F. Bake until internal temperature is 165 degrees F or higher for 15 seconds and chicken is no longer pink, about 20 minutes.
To make sauce: In saucepot heat reserved soup mixture. Heat to 140 degrees F higher for 15 seconds.
Hold chicken and sauce at 140 degrees F or higher. Portion sauce using 2 oz ladle (1/4 cup) over 1 chicken breast half. Garnish with green onions. Serve with rice, orzo, or noodles.