I think you should tell her you like her or show her by being using your Pua skills brother! but I wouldn't say you hope you can spend as much time with her as possible, it sounds a bit needy and might put her off.

It's obvious she likes you you slept with her and your still friends so go for it you have the skills!

As for what to do if it happens again it seems like it was her issues being funny about it the next night after all she did apologise.

Let us know how it goes and welcome introduce yourself on the intro page