Gail'S Italian Macaroni Salad - cooking recipe

Ingredients

1 (16 oz.) pkg. tri-colored macaroni, cooked and drained
1 (16 fluid oz.) bottle Italian dressing*
1 small sweet onion
1 large or 2 small whole green peppers, clean inside, then slice
1 or 2 ripe tomatoes, chopped
olives
Parmesan cheese

Preparation

*I use low-fat kind.