Preheat Your Oven: Set your oven to 350 degrees Fahrenheit.
Prep the Broccoli: Thaw your frozen broccoli completely first. Drain any excess water very well.
Mix Wet Ingredients: Combine soup, mayo, and beaten eggs in a bowl.
Add the Cheese: Fold in your shredded cheddar cheese.
Season the Mix: Stir in the salt, pepper, and onion powder.
Combine Everything: Toss the broccoli into the creamy mixture.
Fill the Pan: Pour the mixture into your greased baking dish.
Make the Topping: Crush the crackers and mix with melted butter.
Add the Crunch: Sprinkle the buttery crumbs over the top evenly.
Bake the Dish: Place it in the oven for 45 minutes.
Cool and Serve: Let it sit for five minutes before serving.