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French Onion Funeral Potatoes

French Onion Funeral Potatoes

French Onion Funeral Potatoes take the classic, creamy comfort of a traditional potato casserole and elevate it with a savory, homemade fried onion topping. This dish is the ultimate crowd-pleaser for holidays, potlucks, or cozy family gatherings where you need a side dish that everyone will love.
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Cook Time 50 minutes
Servings: 12 servings
Course: Side Dish
Calories: 529
Ingredients Method Notes

Ingredients
  

  • 32 ounces frozen cubed hash browns thawed and drained
  • 1/2 cup unsalted butter divided
  • 2 cups sharp cheddar cheese shredded
  • 1 1/2 cups sour cream
  • 1 small yellow onion diced
  • 2 teaspoons garlic minced
  • 1/4 cup all-purpose flour
  • 1 teaspoon kosher salt
  • 1/2 teaspoon black pepper
  • 1/2 teaspoon cayenne pepper
  • 1/2 teaspoon dried mustard
  • 1/2 cup chicken broth room temperature
  • 1/2 cup whole milk room temperature
  • 2 large yellow onions thinly sliced for frying
  • 4 cups vegetable oil for frying
  • 1/2 teaspoon extra kosher salt for the fried onions

Method
 

  1. Preheat your oven to 350 degrees Fahrenheit and prepare a 9x13-inch baking dish by spraying it with nonstick cooking spray.
  2. In a large mixing bowl, combine the thawed cubed hash browns, 1/4 cup of melted butter, shredded sharp cheddar cheese, and sour cream. Stir until the potatoes are well coated and set the mixture aside.
  3. To prepare the sauce, melt the remaining 1/4 cup of butter in a medium non-stick skillet over medium heat. Add the diced small onion and cook for 3 to 5 minutes until softened. Stir in the minced garlic and cook for one additional minute.
  4. Whisk in the flour, salt, black pepper, cayenne pepper, and dry mustard. Cook the roux for about one minute to remove the raw flour taste.
  5. Slowly pour in the chicken broth and whole milk while whisking constantly. Continue to cook and whisk until the sauce has thickened into a rich gravy.
  6. Pour the thickened sauce over the potato mixture and stir well to combine. Transfer the entire mixture into the prepared baking dish.
  7. Bake the casserole for 45 to 50 minutes, or until it is bubbly and heated through.
  8. While the potatoes bake, prepare the fried onions. Heat 4 cups of vegetable oil in a large saucepan to 350 degrees Fahrenheit.
  9. Working in batches, fry the sliced onion layers for 2 to 5 minutes until they are a pale golden brown. Use a slotted spoon to remove them and drain on a paper-towel-lined baking sheet. Sprinkle with salt immediately.
  10. Once the casserole is finished baking, remove it from the oven and evenly distribute the homemade fried onions over the top before serving.

Notes

To ensure the best texture for your French Onion Funeral Potatoes, always make sure your frozen hash browns are fully thawed and patted dry. Excess moisture can make the casserole watery rather than creamy.
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