For the noodles
01 -
8 oz (225 g) fettuccine or wide egg noodles
02 -
1 tablespoon kosher salt, for the pasta water
03 -
1 tablespoon unsalted butter, for the baking dish
For the creamy sauce
04 -
4 oz (115 g) cream cheese, softened and cubed
05 -
2 tablespoons (28 g) unsalted butter
06 -
1 1/2 cups (360 g) full-fat sour cream, room temperature
07 -
1/4 cup (60 ml) whole milk
08 -
1/2 teaspoon garlic powder
09 -
1/4 teaspoon onion powder
10 -
1/2 teaspoon fine salt, plus more to taste
11 -
1/2 teaspoon black pepper
12 -
1/8 teaspoon ground nutmeg
13 -
3/4 cup (60 g) finely grated Parmesan cheese, divided
14 -
1/2 cup (55 g) shredded white cheddar cheese
15 -
1/4 teaspoon paprika
16 -
2 tablespoons chopped chives or parsley