Butter pork is nowhere near as common as butter chicken. Pork and chicken have similarities, so what works with chicken generally works well with pork.
Butter pork may sound a bit unappetizing. Pork is already considered fatty, adding butter may be a step too far. But it is not, only a small amount of butter is added. Cream is the main ingredient. You can use oil instead of butter. The result will still be very delicious, however its perhaps not a good idea to call it “oil pork’. The recipe is available here.