The good news is that there was no blood or anything to indicate a UTI. She's just a nawtee girl.
Well, I don't mean to scare you, but if she continues doing that, I think it's better bring a urine sample to the vet and have it tested, just to be on the safer side. There doesn't have to be blood or other indications for UTI, but still, it can be one. Been through the same with Luna in the past. Everyone thought she was just naughty and then it turned out she had struvite crystals that's been bothering her.

Hope everything's alright with Pepper!

Kirsten