Macaroni Salad For 100

• 2 bags
• 2 onions
• 2 mayonaise
• 1 bottle western
• 2,600 gr fully ham (cooked)
• 1,200 gr macaroni
• 650 gr cheddar cheese (shredded)
• 240 ml cream (light)
• 60 ml vinegar
• 50 gr sugar