1Preheat an oven to 325 degrees F (165 degrees C).
2Beat the eggs in a mixing bowl; whisk in the mayonnaise, cream of mushroom soup, broccoli, Cheddar cheese, onion, and butter. Spoon into a 2 quart casserole dish; sprinkle with the crushed crackers.
3Bake in the preheated oven until hot and bubbly, 30 to 40 minutes.
Footnotes
Tip
Aluminum foil helps keep food moist, ensures it cooks evenly, keeps leftovers fresh, and makes clean-up easy.