1Heat oven to 350°F. Spray 13x9-inch (3-quart) glass baking dish with cooking spray.
2Microwave frozen broccoli (one bag at a time) as directed on bag.
3In large bowl, mix broccoli, soup and 2/3 cup of the French-fried onions. Spoon into baking dish.
4Bake 20 to 25 minutes, uncovered, or until broccoli is tender. Sprinkle with remaining French-fried onions. Bake 5 to 8 minutes longer or until onions are golden brown and edges are bubbly.