Onion Buttered Popcorn

1/2 cup butter or margarine, cut up

1 pouch Campbell's dry onion soup and recipe mix

4 quarts popped popcorn

Place butter in 2 cups glass measure. Cover; microwave on high for 45 seconds or until melted. Stir in soup mix. Place popcorn in very large bowl. Pour butter mixture over popcorn; toss to coat well. Makes 16 cups or 8 servings. Tip: This butter and onion soup mixture is also delicious served on bread, potatoes, vegetables and grilled meats or toss with croutons.