Oh! I remember now. Search your name or npub (might have to fiddle with the relays to search with), then slide the top tabs to the right.
Its somewhere in here https://nostrudel.ninja/#/
I have to re-figure it out every time I do it, though
Discussion
Looks like its actually scroll down now. They changed something. Looks like no one has muted you. You gotta put in some elbow grease to earn a mute.