Celery Soup

• 12 italian toasts
• 4 cacciocavallo
• 3 eggs (hard boiled)
• 1 onion
• 650 gr meat (hot)
• 400 gr celery (sliced)
• 60 ml extra-virgin olive oil
• 50 gr sopressata
• 26 gr celery tops (chopped)
• 1/2 slices italian bread