Poulet De France

• 7 bi rd size
• 2 eggs
• 1 stick butter
• 1/4 chives (minced)
• 425 gr chicken (cooked diced)
• 350 ml milk
• 475 ml chicken broth
• 120 ml mayonnaise
• 110 gr mild cheddar cheese (grated)
• 60 gr onion (chopped)