For the dressing, mix:
1 1/4 cup sugar
1 1/4 cup salad oil
1 1/4 cup vinegar
1/2 tsp celery seed
1 tsp onion salt
1 1/2 tsp salt
3/4 tsp pepper
1 tsp seasoning salt
2 tsp dry mustard
1 Tbsp dried parsley
1 tsp garlic powder
Toss the dressing with:
1 pound pasta noodles, cooked
1 large red onion, chopped
1 medium bunch broccoli, chopped
1 medium bunch cauliflower, chopped
2 green peppers, chopped
2 red peppers, chopped
1 can black olives
Refrigerate for 2-12 hours before serving