Ingredients
- 8 ounces fettuccine
- 1 tablespoon unsalted butter
- 3 cloves garlic, pressed
- ½ cup heavy cream
- ½ cup whole milk, or more, to taste
- ⅓ cup freshly grated Parmesan
- 1 large egg yolk, beaten
- Kosher salt and freshly ground black pepper, to taste
- 2 tablespoons chopped fresh parsley leaves