Summer Pasta Salad

1 c. celery, chopped
1 green pepper, chopped
1 red pepper, chopped
1/2 c. green onions, chopped
1 c. diced black olives
1 package pepperoni, cut in half
8 oz. Rotini pasta, boiled, drained, and rinsed in cold water
1/4 c. grated Parmesan cheese
1 {16 oz.} bottle Zesty Italian dressing
3 tsp. Salad Supreme seasoning

Mix all together in a large bowl. Store in a covered container for 4 hours or over night to blend flavors.