Combine broccoli and oil in a large bowl; toss to coat. Place broccoli in a single layer on an ungreased jelly-roll pan. Roast at 450° for 15 to 17 minutes or until broccoli is crisp-tender.
While broccoli roasts, combine butter and next 3 ingredients in a large bowl. Add roasted broccoli to bowl, and toss to coat. Serve hot.