Tyler is a cheap date! He knows he’s going to “cut” her up later, so why not stick her with the check too?
The quality of a steak partly depends on its “cut” (which part of the animal it comes from)

TMNT’s sensei, Master Splinter, armed with his big stake (note the wordplay with “steak” and “stake”), will cut you (and Shredder) up
This could even be taken as a play on drug dealing nomenclature. Tyler has a good stake, and the package has a good cut
Or, thhis could just simply mean that Tyler has received a well cut steak, like you receive a cut when you get a splinter.