Preheat oven to 325°F. Coat a 2 qt. baking dish with cooking spray.
2
In a large saucepan, combine soup, Greek yogurt, 1 cup shredded cheese and 1 ¼ cups crispy fried onions. Cook over medium heat, stirring occasionally, about 4 to 5 minutes. Add broccoli and stir to combine.
3
Transfer mixture to prepared baking dish. Bake uncovered for about 25 to 30 minutes, or until bubbly.
4
Remove from oven and sprinkle with remaining cheese and crispy fried onions. Return to oven and bake for an additional 10 to 15 minutes, or until cheese is melted. Serve warm.