Instructions

1. Preheat your oven to 350º F and prepare a 9"x13" baking pan with cooking spray, set aside.
2. In a large mixing bowl melt the butter, then add the soup, mayonnaise, eggs and half of the cheese until combined.
3. Add the onion and the broccoli and stir until well coated.
4. Transfer the mixture to the baking pan, sprinkle on the remaining cheese and crushed cracker crumbs.
5. Bake for 30 minutes.
6. Carefully remove from the oven and cool the casserole for 5-10 minutes,serve warm.