Sorry I didn’t write down what I changed. But that is more or less the one you can find here https://cookiegourmande.weebly.com/recettes-sucreacutees/buche-fuji-ramisu-de-christophe-felder (sorry that is in French :)

That is easy. Just use somethibg like this:

Kind of. I had one but ended up doing it my own way!

Nice. I was afraid the coffee taste would be too strong but it was perfect. And not too sweet so perfect after the heavy dinner!