Carbonara (real)

Bahan-bahan (4 porsi)

• 175 g /6 oz guanciale (pancetta or block bacon), ( weight after skin removed (Note 1))
• 2 large eggs ((Note 2))
• 2 egg yolks ((Note 2))
• 100 g /3.5 oz parmigiano reggiano (, finely shredded (or pecorino romano, sub parmesan, Note 3))
• 1/4 tsp black pepper
• 400 g /14 oz spaghetti
• 1 tbsp cooking/kosher salt ((for cooking pasta))
• 1/2 cup pasta cooking water
• 1 g arlic clove (, finely minced (optional, Note 4))
• Parsley (, finely chopped)
• Parmigiano reggiano