Beef Stroganoff with Buttered Noodles

Name: Beef Stroganoff with Buttered Noodles
Ingredients: 4 cloves garlic, roughly chopped, plus 2 cloves, minced; Kosher salt and freshly ground black pepper; Extra-virgin olive oil; 1 sprig fresh rosemary, leaves removed; 1 large sprig fresh thyme, leaves removed; 3 pounds beef short ribs, cut into 2 ribs apiece; 1 1/2 pounds cremini mushrooms; 1 1/2 pounds white button mushrooms; 1/2 cup chopped shallots; 1/4 cup cognac; 2 cups heavy whipping cream; 1 tablespoon Dijon mustard; 1/2 cup sour cream; 1 pound egg noodles; 3 tablespoons unsalted butter; 2 tablespoons freshly chopped flat-leaf parsley; 2 tablespoons freshly chopped green onions