Red Wine Braised Beef Short Ribs with Creamy Mashed Potatoes

Ingredients

- 4 servings +

• 3 ½ lbs bone-in English-cut beef short ribs, well-marbled, patted dry
• 2 tbsp olive oil, for searing
• 1 large yellow onion, roughly chopped
• 2 medium carrots, cut into 1-inch chunks
• 2 stalks celery, cut into 1-inch chunks
• 6 cloves garlic, smashed
• 2 tbsp tomato paste, concentrated umami
• 2 cups dry red wine, such as Cabernet Sauvignon or Pinot Noir
• 2 ½ cups rich beef bone broth, unsalted
• 3 sprigs fresh rosemary, tied with kitchen twine
• 4 sprigs fresh thyme
• 2 whole bay leaves
• 1 ½ tsp coarse kosher salt, plus more to taste
• 1 tsp freshly cracked black pepper
• 1 cup pearl onions, peeled, optional garnish