P. F. Changâ€™s $3.00 Frozen Entree Coupon (Facebook offer) October 6, 2011 by // by SMFM Leave a Comment Head ever to Facebook to print a hot coupon for $3.00/1 P.F. Changâ€™s Frozen Entrees. Hurry, the first 20,000 only to enter their little Facebook contest will get the coupon. Hey, you never know. You might win!