While waiting for the water to boil, take the bacon out of the fridge and chop, cook the bacon in a 4 quart saucepan over medium high heat until almost crisp, place on paper towel lined plate to drain, reserving 3 tablespoons of grease
Stir bacon (reserve a bit to garnish on top if you like) into cheese sauce, add macaroni and stir well, and warm for a few minutes if macaroni was added cold. serve immediately