Add oil to frying pan or pot fry chopped bacon and onions until satay.
Add in chopped mushrooms fry for 2 minutes then add sour cream
Stir until well combined and heat through.
Cook Penne pasta in pot of boiling water with a pinch of salt and butter, when cooked drain water.
Combine pasta with the sauce you prepared earlier.
Tip: If sauce too thick, thin out with a little milk.
Sprinkle with parsley serve with a salad on the side.