Cattle Kings' Ranch Hand Chicken Soup

• 4 sprigs of cilantro (chopped)
• 1,400 ml strong flavor chicken stock
• 65 gr squash (chopped yellow)
• 65 gr carrots (chopped)
• 65 gr zucchini (chopped)
• 60 gr onion (chopped red)
• 50 gr celery (chopped)
• 30 ml olive oil
• some black pepper