Step 1: Cook the Pasta

1. Bring a large pot of salted water to a boil.
2. Add pasta and cook according to the package instructions until al dente.
3. Reserve 1/2 cup of pasta water before draining.
4. Drain the pasta and set it aside.

Step 2: Prepare the Sauce

1. In a large skillet over medium heat, melt the butter.
2. Add minced garlic and sauté for 1 minute until fragrant.
3. Pour in the heavy cream and stir well.
4. Crumble the Boursin cheese into the sauce and stir until melted.
5. Add the grated Parmesan cheese and mix until combined.

Step 3: Combine Pasta and Sauce

1. Reduce the heat to low and add the cooked pasta to the sauce.
2. Pour in the reserved pasta water gradually, stirring until the sauce reaches the desired consistency.
3. Season with salt, black pepper, and red pepper flakes (if using).
4. Step 4: Add Optional Ingredients
5. If adding cooked protein (chicken, shrimp, or bacon), stir it in now.
6. For veggies, mix in spinach, mushrooms, or cherry tomatoes and cook for another 2 minutes.

Step 5: Serve and Garnish

1. Transfer the creamy Boursin pasta to serving plates.
2. Garnish with fresh parsley or basil.
3. Sprinkle extra Parmesan cheese on top if desired.
4. Serve immediately and enjoy!