Leek, white bean and barley soup

Ingredients

• 2 tablespoons. olive oil
• 2 large carrot, chopped (or 2 handfuls of baby carrots)
• 3 small leeks, whites and light greens, sliced in rounds
• 3 stalks celery, chopped
• 1.5 teaspoon. dried thyme leaves
• 1 teaspoon. oregano
• 1 teaspoon. dried sage
• 1 1/2 cups cooked cannellini beans
• 1/2 cup uncooked dry pearl barley
• 8 cups vegetable or chicken stock
• 1/2 teaspoon. salt
• 1/2 teaspoon. pepper
• 1/8 teaspoon. crushed red pepper flakes