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Southern Sweet Onion Casserole

This Southern Sweet Onion Casserole is a must-try recipe for anyone who loves comfort food. The combination of tender, sweet onions, creamy cheese, and buttery Ritz crackers creates a dish that is both rich and comforting. Whether you're looking for a side dish to serve at a family gathering or a main course for a cozy dinner at home, this casserole is sure to impress.
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Prep Time 15 minutes
Cook Time 45 minutes
Servings: 6
Course: Side Dish
Cuisine: American
Ingredients Method Notes

Ingredients
  

  • 4 large Vidalia onions halved and sliced 1/4-inch thick (900g or 2 lbs)
  • 2 tablespoons unsalted butter 28g
  • 3 eggs
  • 1 5 oz can evaporated milk (147 ml)
  • 1 cup Ritz crackers crumbled (100g)
  • 1 1/2 cups cheddar cheese grated (170g)
  • 1 teaspoon salt
  • 1/4 teaspoon pepper
For the topping:
  • 1 cup Ritz crackers crumbled (100g)
  • 3 tablespoons butter melted (42g)

Method
 

  1. Preheat oven to 375°F (190°C) and grease a 9x13-inch (23x33 cm) baking dish with nonstick spray.
  2. Place onions in a saucepan and add water just to cover. Bring to a boil, reduce heat and let simmer 8 minutes. Drain and toss onion slices with butter.
  3. In a large bowl, whisk together eggs and evaporated milk. Add cooked onions, cracker crumbs, cheese, salt, and pepper. Stir to mix.
  4. Transfer to baking dish. Toss together cracker crumbs and melted butter for topping. Sprinkle over casserole.
  5. Bake until set in the center and top is golden brown, about 45 minutes.

Notes

You can substitute other types of sweet onions for Vidalia onions, such as Walla Walla or Maui onions.
If you don't have Ritz crackers, you can use any buttery crackers you have on hand.
Leftovers can be stored in the refrigerator for up to 3 days and reheated in the oven or microwave.