Braised Short Ribs with Radishes, Celery & Red Wine Demi, Celery Puree & Sweet Corn Arepas

Ingredients

• 5 pounds beef short ribs, cut crosswise into 2-inch pieces
• Kosher salt and freshly ground black pepper, to taste
• 3 tablespoons vegetable or canola oil
• 3 medium onions, chopped
• 3 medium carrots, peeled, chopped
• 2 celery stalks, chopped
• 1 small bag radishes, halved
• 3 tablespoons all-purpose flour
• 1 tablespoon tomato paste
• 1 750 ml bottle dry red wine (preferably Cabernet Sauvignon)
• 10 sprigs flat-leaf parsley
• 8 sprigs thyme
• 4 sprigs oregano
• 2 sprigs rosemary
• 1 head of garlic, halved crosswise
• 4 cups low-salt beef stock
• 1 cup Radishes, quartered
• ½ cup Celery stalks, peeled & sliced half-moons ¼ inch thick
• 1 ½ tablespoons olive oil
• Kosher salt, to taste
• Freshly cracked pepper, to taste
• 1 tablespoon unsalted butter
• 4 tablespoons all-purpose flour
• 2 teaspoons dark mushroom soy sau ce