When Anton tastes Remy's ratatouille, he's reminded of his mother's

When Anton tastes Remy's ratatouille, he's reminded of his mother's cooking. There's a few hidden details that suggest Remy grew up in Anton's mother's house, learning to cook by watching Anton's mother.
(TITLE FROM REDDIT)

Have you seen that theory video that Gusteau is Anton's father who left him and his mother?

Nooo but that makes it cheating. I like the idea that Remys dish was so good it changed Anton, not that he just literally copied his mom’s cooking by chance