I hope this list is helpful ….
Shatesbury Theatre Area:
Da Mario Italian Restaurant
Kanada Ramen Restaurant
Customer recommendation
Prix Fixe Brasserie – W1
French, ( customer saw Les Miserables with me).
Prince Edward Theatre Area
Café Boheme French Restaurant
Balans Restaurant
Maison Bertaux – Fantastic cake shop
https://www.maisonbertaux.com/
Sondheim Theatre Area (Shaftesbury Avenue)
Picturehouse Central for great salads and cakes
https://www.picturehouses.com/cinema/Picturehouse-Central
Zedel French Brasserie
https://www.brasseriezedel.com/?utm_source=google&utm_medium=local&utm_campaign=GoogleMyBusiness
Dumplings Legend
https://chinatown.co.uk/en/restaurant/dumplings-legend/
London Palladium Area
Aqua Kyoto Japanese Restaurant
Pontis Italian Restaurant
In general.
The Wellington Pub – Close to the Covent Garden
The Real Greek – All over London
The Royal Opera House – Covent Garden (roof top bar)
The Theatre Cafe – Strand/ Covent Garden
The Theatre Diner – Tottenham Court Road