This tool lets you simulate making sandwiches for Pokemon Scarlet and Violet.
Screenshots: https://imgur.com/a/WJXqJ5p
Live demo here: https://cecilbowen.github.io/pokemon-sandwich-simulator/
This tool is not perfect, so if you find any recipes that are not accurate in-game, then the best place to post them for my visibility is here: https://redd.it/z8q0ko