In a medium saucepan over high heat, bring 4 cups water to a boil. Remove seasoning packets from ramen packages and discard or reserve for another use.

Break up noodles coarsely and add to boiling water; cook for 3 minutes or until tender.

Drain noodles and rinse in cold water; drain again.

Place noodles in a medium bowl and add pepperoni, olives and onion.

Drizzle with dressing and toss lightly. Serve promptly or chill to serve cold.