Step 1: Cook the Pasta

1. Bring a large pot of salted water to a boil.
2. Cook the pasta according to package instructions until al dente.
3. Reserve ½ cup of the pasta water before draining.

Step 2: Cook the Chicken

1. Heat 1 tablespoon of olive oil in a large skillet over medium heat.
2. Season the diced chicken with salt and pepper.
3. Cook until golden brown and cooked through, about 5-7 minutes.
4. Remove from the skillet and set aside.

Step 3: Crisp the Bacon

1. In the same skillet, add the chopped bacon.
2. Cook until crispy, about 5 minutes.
3. Remove excess grease, leaving about 1 tablespoon in the pan.

Step 4: Sauté the Garlic

1. Add the minced garlic to the bacon.
2. Cook for about 30 seconds until fragrant.

Step 5: Prepare the Sauce

1. In a small bowl, whisk together the eggs and grated Parmesan cheese.

Step 6: Combine Everything

1. Reduce the heat to low.
2. Return the cooked pasta and chicken to the skillet.
3. Pour in the egg-Parmesan mixture, tossing quickly to coat the pasta.
4. Slowly add the reserved pasta water to create a creamy sauce.
5. Stir continuously to prevent the eggs from scrambling.

Step 7: Garnish and Serve

1. Stir in fresh parsley if using.
2. Serve immediately with additional Parmesan on top.