3 tbsp. Tomato paste
1 tbsp. Fish sauce
1 tbsp. Light soy sauce (not low sodium soy sauce)
1 tbsp. Worcestershire sauce
2 cups Unsalted chicken stock
3 Russet potatoes, cubed
Dried thyme
2 Bay leaves
1 tbsp. Flour
1 tbsp. Sherry wine
2 Carrots , chopped
2 stalks Celery , chopped
3 cloves Garlic , crushed and chopped
2 Small onions , finely chopped
2 tbsp. Olive oil , divided
Kosher salt and pepper
1 1/2 pounds Whole beef brisket