Natasha, Pierre & the Great Comet of 1812... vodka and pierogies. For nonalcoholic and nonsavory options you could have tea and some kind of small petit-fours or cookies for Natasha's visit to her future in-laws.
Amelie... goldfish crackers, aquarium cookies, red wine, heart-shaped desserts
Falsettos... hors d'oeuvres inspired by Cordelia's menu for the bar mitzvah
Hello Dolly... I only know the movie but food is mentioned
The Present... birthday cake
Holiday Inn... any Christmas, Thanksgiving, 4th of July, etc. foods you feel like making