Dark and Stormy–Braised Pot Roast | Umami

Ingredients

• 1 4-lb. boneless beef chuck roast
• 2 Tbsp. Diamond Crystal or 1 Tbsp. plus ½ tsp. Morton kosher salt, plus more
• 2 tsp. freshly ground pepper, plus more
• ¼ cup vegetable oil
• 2 small onions, finely chopped
• 2 small celery stalks, finely chopped
• 10 garlic cloves, finely chopped
• 1 3" piece ginger, peeled, finely chopped
• 2 Tbsp. all-purpose flour
• ⅔ cup dark rum (such as Goslings)
• 2½ cups low-sodium beef broth
• 2 cups ginger beer
• 3 Tbsp. fresh lime juice
• 3 Tbsp. Worcestershire sauce
• 1 Tbsp. light brown sugar
• 1 lb. carrots, peeled, cut into 1" pieces
• 1 lb. small yellow potatoes (15–20), scrubbed
• Mint and/or cilantro leaves with tender stems and/or lime wedges (for serving; optional)