Impossible consider how Sumire wanting to be a Geiko. She will have to live and work in the Geisha district. She can't get married because once a Geiko got married, she will have to retire. A Geiko is expected to be married to her job.
Just camw back to chapter 8 for the recipe. I miss the old days when this is just a cooking manga with a lage of recipe in the end of every chapter. Nothing happen but it's so calm and relaxing