Cook bacon in a large pan or dutch oven
Remove bacon from pan with a slotted spoon
Reserve a tbsp of the grease in a bowl, keep the rest in the pan
Fill pan with water and prepare noodles according to recipe, pasta maker instructions, or package directions
Beat eggs in a small bowl and add cream
Drain water, returning noodles to pan immediately if using a strainer, add the reserved bacon grease to the pan and stir
Quickly add egg mixture and cheese to the noodles and stir to let the heat cook the egg and melt the cheese
Sprinkle salt and freshly ground pepper over the pasta
Top with freshly grated cheese, red pepper flakes, and parsley, if desired