I've seen a couple other posts about rewards, but wanted to ask more specifically ... how do you reward a sub who has everything?

Perhaps I made a mistake by basically letting my cutie have more or less what she wanted early on. We're a DDlg thing so my instinct is to take care of her and make sure she's happy. So, basically, everything I could reward her with is something I'd let her have anyway. Extra playtime, bedtime story, stuff like that. One time I let her have 15 minutes on social media after 9 pm (after which she's normally not allowed) but that didn't quite work. (We both kinda forgot and she ended up scrolling Tik Tok for a half hour.) We did a movie night as a reward that she earned over the course of a few days, which was nice. But recently she had something specific to accomplish that wasn't strung out over days, and needed an incentive and I couldn't think of anything other than buying her Starbucks. She was perfectly delighted with that but I also don't want it to become like she's doing tasks for money.

So. Any ideas for small, relatively immediate rewards for a girl who might be a tiny bit spoiled already?