Pistachio Mix

3 T. butter or margarine
2 T. dry onion soup mix
1 C. shelled, roasted/salted California pistachios
2 qt. popped popcorn

Place butter and onion soup mix in covered, microwave-safe, 4-cup glass bowl. Cook in microwave on HIGH for 1 1/2 minutes. Stir in pistachios.Place popcorn in large bowl. Toss lightly with butter-pistachio mixture. Serve warm.