First Step: Cook the Pasta

1. Boil the Water: Bring a large pot of salted water to a boil. Add the pasta and cook according to the package instructions until al dente, about 8-10 minutes.
2. Reserve Pasta Water: Before draining the pasta, reserve about 1 cup of pasta water to help thin out the sauce later if needed. Drain the pasta and set aside.

Second Step: Prepare the Mushroom Carbonara Sauce

3. Cook the Pancetta or Bacon: In a large skillet, heat the olive oil over medium heat. Add the diced pancetta or bacon and cook until it becomes crispy and golden brown, about 5-7 minutes. Use a slotted spoon to transfer the pancetta to a paper towel-lined plate to drain excess fat. Leave about 1 tablespoon of rendered fat in the skillet.
4. Sauté the Mushrooms: Add the sliced mushrooms to the skillet with the pancetta fat and sauté for 4-5 minutes, until the mushrooms are golden brown and have released their moisture. Stir occasionally to ensure even cooking.
5. Add Garlic: Add the minced garlic to the skillet and sauté for another 1 minute, until fragrant.

Fourth Step: Make the Creamy Carbonara Sauce

6. Prepare the Egg Mixture: In a medium bowl, whisk together the eggs, heavy cream, Parmesan cheese, and a pinch of salt and black pepper. Set aside.
7. Combine the Ingredients: Once the mushrooms and garlic are cooked, return the pancetta or bacon to the skillet. Add the chicken or vegetable broth, and stir to combine. Bring to a simmer, allowing the broth to reduce slightly, about 2-3 minutes.
8. Add the Pasta: Add the cooked pasta to the skillet with the mushroom and pancetta mixture. Toss the pasta to combine, ensuring it’s well-coated with the sauce. Remove the skillet from the heat.
9. Finish the Sauce: Pour the egg mixture over the pasta, tossing quickly and continuously to avoid scrambling the eggs. The residual heat from the pasta will cook the eggs and create a creamy, silky sauce. If the sauce is too thick, add a bit of the reserved pasta water, one tablespoon at a time, until you reach the desired consistency.
10. Season to Taste: Taste the pasta and adjust the seasoning with more salt, black pepper, or grated Parmesan cheese as needed.

Fourth Step: Serve and Garnish

11. Plate the Pasta: Divide the creamy mushroom carbonara between serving plates. Garnish with additional Parmesan cheese and fresh parsley for a pop of color.
12. Serve Immediately: This dish is best enjoyed while hot, as the sauce may thicken as it cools. Serve with a side of crusty bread and a fresh salad for a complete meal.