2) In a large bowl, add macaroni, tuna, peas, olives, and onion. Toss lightly.
3) Season with salt and pepper. Toss again.
4) Add the soup into it until evenly coated.
5) Add cream-cheese cubes.
6) Mound mixture into an 8-cup baking dish. Keep covered.
7) Bake for 30 minutes until bubbly-hot.