Undead Fortitude. If damage reduces the Saucier to 0 hit points, it must make a Constitution saving throw with a DC of 5 + the damage taken, unless the damage is radiant or from a critical hit. On a success, the zombie drops to 1 hit point instead.

Have A Taste. When Undead Saucier makes a successful Grab, It can Sauce immediately after.

Grab. Target must make a STR saving throw, DC 13, or be grappled.
Target can re-roll STR check at the beginning of each subsequent turn.

Sauce. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) [poison] damage. Only can be used on a successful Grab. Saucier will open its mouth and vomit bile on the target. Target must make a CON save of DC 13, or be poisoned for 1 hour.

Bite. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 9 (2d6 + 2) [piercing] damage.

Scrape. Saucier digs in when grappling. If a target was grappled successfully then succeeded on a save, target takes 1d4+2 slashing damage.