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.
This recipe has been a staple in my family for years. My husband absolutely loves it and always requests it for special occasions. I remember the first time I made it for him – he was skeptical at first because he’s not usually a big fan of onions. But after just one bite, he was hooked. Now, it’s a regular on our menu and always brings back fond memories of our early days together.
“Why This Southern Sweet Onion Casserole is the Ultimate Comfort Food”
- The combination of sweet Vidalia onions and tangy cheddar cheese creates a perfect balance of flavors.
- The addition of Ritz crackers adds a satisfying crunch and buttery flavor to the dish.
- This casserole is easy to prepare and can be made ahead of time, making it a great option for busy weeknights or holiday gatherings.
- The recipe yields a large amount, making it perfect for feeding a crowd.
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)
Directions:
- Preheat oven to 375°F (190°C) and grease a 9×13-inch (23×33 cm) baking dish with nonstick spray.
- 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.
- In a large bowl, whisk together eggs and evaporated milk. Add cooked onions, cracker crumbs, cheese, salt, and pepper. Stir to mix.
- Transfer to baking dish. Toss together cracker crumbs and melted butter for topping. Sprinkle over casserole.
- 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.
Southern Sweet Onion Casserole
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)
Instructions
- Preheat oven to 375°F (190°C) and grease a 9x13-inch (23x33 cm) baking dish with nonstick spray.
- 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.
- In a large bowl, whisk together eggs and evaporated milk. Add cooked onions, cracker crumbs, cheese, salt, and pepper. Stir to mix.
- Transfer to baking dish. Toss together cracker crumbs and melted butter for topping. Sprinkle over casserole.
- Bake until set in the center and top is golden brown, about 45 minutes.
Notes
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.