Classic Braised Brisket with Onions

Bahan-bahan (8 porsi)

• 5 to 6 lb first-cut ((or flat-cut) beef brisket, trimmed so a thin layer of fat remains in some spots (do not over trim!))
• 1½ tablespoons kosher salt
• 1 teaspoon freshly ground black pepper
• 2 tablespoons all-purpose flour ((okay to substitute matzo cake meal for Passover))
• 3 tablespoons vegetable oil
• 8 medium yellow onions, (peeled and sliced ½-in (13-mm) thick)
• 3 tablespoons tomato paste
• 3 cloves garlic, (roughly chopped)
• 6 carrots, (peeled and sliced into large chunks on a diagonal)
• Handful fresh chopped parsley, (for garnish (optional))