Cook the Pasta
Bring a large pot of salted water to a boil. Cook pasta until al dente. Reserve ½ cup pasta water, then drain.
Sauté Garlic
Melt butter in a large skillet over medium heat. Add garlic and cook for 30–60 seconds until fragrant.
Make the Sauce
Reduce heat to low and add cream. Stir gently and warm without boiling.
Add Parmesan
Remove skillet from heat. Slowly stir in Parmesan until melted and smooth.
Combine
Add pasta to the sauce and toss to coat. Add reserved pasta water as needed for a silky texture.
Season & Serve
Season with salt and black pepper. Serve immediately.