Sweet Onion Casserole

Name: Southern Sweet Onion Casserole
Prep time: 15 min
Cook time: 45 min
Total time: 60 min
Ingredients: 3 large eggs; 2 tablespoons of unsalted butter; 1 teaspoon of salt; 1/4 teaspoon of pepper; 4 large Vidalia onions (halved and sliced 1/4-inch thick); 1 can (5 oz of evaporated milk); 1 1/2 cups of grated cheddar cheese; 1 cup of crumbled Ritz crackers; For The Topping; 3 tablespoons of melted butter; 1 cup of crumbled Ritz crackers