Sweet onion casserole –Welcome to a delightful culinary experience! Today, we are excited to share a cherished recipe for Southern Sweet Onion Casserole. This dish embodies the essence of southern comfort food, featuring sweet onions baked to perfection. Ideal for family gatherings or a cozy dinner, this casserole promises to be a crowd-pleaser. Let’s explore how to create this delectable dish.
Southern Sweet Onion Casserole
This casserole showcases the unique flavor of sweet onions, combined with creamy components that make each bite a taste of heaven. Below, you’ll find the essential ingredients and step-by-step instructions to create this mouthwatering dish.

Ingredients
- 4 large sweet onions, sliced
- 1 cup mayonnaise
- 1 cup sour cream
- 1 cup shredded cheddar cheese
- 1 cup crushed cornflakes
- 2 large eggs
- 1/2 teaspoon garlic powder
- 1 teaspoon salt
- 1/2 teaspoon black pepper
- 2 tablespoons butter, melted
Instructions
- Preheat your oven to 350°F (175°C).
- In a large skillet, sauté the sliced sweet onions over medium heat until they become soft and translucent, about 10-15 minutes. Stir occasionally to prevent sticking.
- In a mixing bowl, combine the mayonnaise, sour cream, shredded cheddar cheese, eggs, garlic powder, salt, and black pepper. Mix well until the ingredients are thoroughly combined.
- Add the cooked onions to the mixing bowl and stir gently to incorporate them into the mixture.
- Transfer the onion mixture into a greased 9×13-inch baking dish and spread it evenly.
- In a separate bowl, combine the crushed cornflakes with the melted butter. Sprinkle this cornflake mixture over the top of the casserole for a delightful crunch.
- Bake the casserole in the preheated oven for 40-45 minutes, or until it is bubbly and the topping is golden brown.
- Remove from the oven and allow it to cool for a few minutes before serving. Enjoy this Southern Sweet Onion Casserole as a side dish or a main attraction of your meal.
This Southern Sweet Onion Casserole is not just a dish; it’s an experience that captures the warmth and comforts of home. Prepare it for your next gathering, and watch your guests rave about the flavors. Enjoy your cooking adventure!