Cryptoquip Answer for 12/04/2018

VCSG HA BCSSRS-YEXPGU RPRISD JSBEHSR IVSGIA ASQDR EYN, P PGISGN IE UPXS CSD JPDICNQA UDQIPGUR.

TODAY’S CLUE: C = H

ANSWER: WHEN MY CHEESE-LOVING SISTER BECOMES TWENTY YEARS OLD, I INTEND TO GIVE HER BIRTHDAY GRATINGS.