Melt the butter in a saucepan, add the bacon and sauté for 4-5 minutes.
Take pan off the heat and add the vodka.
Return to heat and allow the vodka to evaporate for 1 - 2 minutes.
Season with salt, chilli peppers and half the parsley.
Allow to come to a boil, sauce is now ready for use.
Cook pasta al dente in well salted boiling water, drain and return to pot. Do not use oil
in water or rinse pasta.
Sprinkle with half the cheese and half the sauce.
Toss well and transfer to a serving bowl or platter.
Top with the rest of the cheese and sauce, sprinkle with the rest of the parsley
Or just mix everything together except the parsley and serve. Put parsley over top.