Mushroom Stroganoff

Name: Mushroom Stroganoff
Ingredients: ½ teaspoon kosher salt, plus more for the pasta cooking water; 1 pound (455 g) wide egg noodles; 8 tablespoons (1 stick; 115 g) unsalted butter; 1 pound (455 g) cremini mushrooms, sliced; ¼ teaspoon coarsely ground black pepper; 1 large shallot, minced; 3 tablespoons all-purpose flour; 1½ cups (355 ml) vegetable broth, or as needed; 1 cup (235 ml) white wine; ½ cup (120 ml) sour cream; Parsley for garnish