Beef Barley Soup

Ingredients
▢2 pounds chuck roast, cut into 1-inch cubes
▢½ teaspoon kosher salt
▢½ teaspoon ground black pepper
▢2 tablespoons vegetable oil
▢9 cups (72 ounces) beef broth
▢1 large yellow onion, diced (about 1 ½ cups)
▢3 medium carrots, cut into rounds (about ½ cup)
▢2 ribs celery, diced (about ½ cup)
▢3 teaspoons garlic, minced
▢3 tablespoons tomato paste
▢1 cup (200 g) pearl barley
▢parsley, chopped for garnish
Instructions