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Tennessee Onion Casserole

A comforting and flavorful casserole featuring caramelized onions and melted cheese, perfect for family gatherings.
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Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Servings: 6 servings
Course: Side Dish
Cuisine: Southern
Calories: 220
Ingredients Equipment Method Notes

Ingredients
  

Main
  • 4 large onions thinly sliced
  • 3 tablespoons butter
  • 2 cups sour cream
  • 1 cup shredded cheddar cheese
  • 1 cup crushed crackers like Ritz
  • 2 large eggs
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1 teaspoon garlic powder

Equipment

  • Baking dish (9x13 inches)
  • Large skillet
  • Mixing bowl
  • Whisk
  • Spatula
  • Measuring cups and spoons

Method
 

  1. In a large skillet, melt the butter over medium heat.
  2. Add the sliced onions and sauté until they become translucent and slightly golden, about 10-15 minutes.
  3. In a mixing bowl, combine the sour cream, shredded cheddar cheese, eggs, salt, black pepper, and garlic powder. Whisk until smooth and well combined.
  4. Allow the cooked onions to cool slightly before adding them to the sour cream mixture.
  5. Gently fold in the crushed crackers into the mixture.
  6. Pour the casserole mixture into a greased 9x13 inch baking dish. Spread it evenly.
  7. Preheat your oven to 350°F (175°C).
  8. Bake the casserole for about 30-45 minutes, or until it’s bubbly and golden on top.
  9. Let the casserole sit for about 10 minutes before serving.

Notes

For an extra layer of flavor, try adding some cooked bacon or herbs like thyme to the onion mixture.