Ingredients
Kosher salt and freshly ground black pepper
12 ounces egg noodles
4 tablespoons butter
2 tablespoons chopped fresh parsley
1 1/2 pounds sirloin, cut into 1-inch pieces
1/2 teaspoon paprika
8 ounces mushrooms, thinly sliced
3/4 cup frozen pearl onions
1/2 teaspoon fresh thyme
2 cups low-sodium beef stock, hot
1/4 cup dry white wine
1/2 cup heavy cream
2 tablespoons Dijon mustard
1/2 cup sour cream