Anti-Ceaser Salad

The Anti-Ceaser Salad is a deception tool in which used to assassinate people. It is made from all of the normal ingredients in a Ceasar Salad, except for the lettuce, which is replaced by 23 pieces of plant matter harvested from the Carnivorous Garden, prepared like a normal Ceasar Salad. When served the person it was served to must roll perception with a DC of 17. If passed they realize something is off about it and proceed from there. If they fail they presume it is a Ceasar Salad. For each of the 23 pieces they eat, they will take 1d6 damage.