Melt: Short Rib, Caramelized Onion, And Gouda Grilled Cheese Recipe

Ingredients

• 1 1/2 tablespoons extra-virgin olive oil
• 3 1/2 pounds bone-in beef short ribs
• Kosher salt
• freshly ground black pepper
• 1 large yellow onion, quartered
• 2 carrots, peeled and cut into large chunks
• 1 stalk celery, cut into large chunks
• 2 medium cloves garlic, smashed
• 1 3/4 cups dry red wine
• 1 cup beef stock or low-sodium broth
• 1 1/2 tablespoons Worcestershire sauce
• 1 1/2 teaspoons soy sauce
• 4 sprigs fresh thyme
• 2 bay leaves
• 1 tablespoon unsalted butter
• 1 tablespoon extra-virgin olive oil
• 1 large sweet onion, such as Vidalia, thinly sliced (about 2 cups)
• 3 sprigs fresh thyme
• 1 teaspoon sugar
• 1/4 cup whole-grain mustard
• 2 tablespoons sour cream
• 4 tablespoons unsalted butter
• 8 slices seeded marbled or regular rye bread
• 8 thick slices Gouda cheese