Dinner Mate

There is no similarity in Plot whatsoever. But Both the dramas give overall the same vibe, Dinner Mate has additional comical side to it.

a similar food oriented romantic comedy
the main lead in DM is a therapist who treats people using "food therapy", and the female lead is PD who invites him on a show

Two people who meet over food, their lives at a crossroad that lead to something unexpected and wonderful.

Older Leads' Romance
+ Food& Drink theme

Older Leads' Romance
+ Food& Drink theme

Older Leads' Romance
+ Food& Drink theme

Psychological dramas, healing through food and sudden unexpected happenstances/serendipity and small simple turn of events/fate.

It is similar in terms of the ML both series are physiatrist and FL is a subject of stalking by her ex boyfriend, just like in this series, the SML is stalking FL by being good. In Dinner Mate, FL and SML have both patient-doctor relationship, and ML is trying his best to solve the mystery around SML.