For the pasta, bring a medium size pot of water to a boil. Meantime, cut the bacon in small cubes and cook them in a large non-stick pan over medium heat until most the fat has rendered and it has become crispy, about 8 minutes. Add 1 teaspoon of salt to the boiling water and cook pasta until al dente, the cooking time will be on the side of the box. Add the egg yolks, half the cheese, and half the parsley to a small bowl and whisk well. Before draining the pasta, save 1 cup of the cooking water. Add the drained pasta to the pan with the bacon and turn the heat off. Slowly add 2 tablespoons of cooking water to the egg mixture while whisking, do this slow otherwise the egg will scramble. Add the egg mixture to the pan with the pasta along with a splash of the cooking water. Mix well using tongs and by shaking the pan, then add the remaining cheese and another splash of water. Mix well and add enough water to make the sauce smooth and creamy. Plate the pasta and garnish with the remaining parsley and the pink peppercorns.