French Onion Funeral Potatoes Recipe with Crispy Onion Topping

Name: French Onion Funeral Potatoes
Prep time: 20 min
Cook time: 50 min
Total time: 1 h 10 min
Cuisine: American
Ingredients: – 32 ounces frozen cubed hash browns, thawed; – ¼ cup unsalted butter, melted; – 2 cups sharp cheddar cheese, shredded; – 1 ½ cups sour cream; – ¼ cup unsalted butter for the sauce; – 1 small yellow onion, diced; – 2 teaspoons garlic, minced; – ¼ cup all-purpose flour; – 1 teaspoon kosher salt; – ½ teaspoon black pepper; – ½ teaspoon cayenne pepper; – ½ teaspoon dried mustard; – ½ cup chicken broth at room temperature; – ½ cup whole milk at room temperature; – 2 large yellow onions, thinly sliced and separated into layers (about 4 cups); – 4 cups vegetable oil; – ½ teaspoon kosher salt for fried onions

By:

Camille Hayes

Published:

November 5, 2025

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Why You’ll Love This French Onion Funeral Potatoes

This French Onion Funeral Potatoes recipe is a delightful twist on a classic comfort dish, featuring creamy potatoes topped with crispy fried onions that add a satisfying crunch. It’s perfect for family gatherings or busy weeknights because it’s easy to prepare and brings everyone to the table with its hearty, cheesy goodness. Whether you’re feeding a crowd or enjoying leftovers, this side dish combines simplicity with bold flavors that appeal to home cooks and food enthusiasts alike.

The dish stands out for its ease of preparation, using straightforward steps and common ingredients that come together quickly. It’s packed with wholesome elements like onions and cheese, offering vitamins and calcium that support daily wellness without sacrificing taste. Plus, it’s versatile enough to fit various preferences, making it a go-to option for any occasion.

Key Benefits

It requires minimal ingredients and simple steps, ideal for busy parents and working professionals.
The recipe provides nutritional perks, such as vitamins from onions and calcium from cheese, while remaining a comforting treat.
You can adapt it for different diets, including vegan or gluten-free versions, to suit home cooks of all backgrounds.
The unique blend of savory onions and creamy potatoes creates a standout flavor that’s hard to resist.

To explore more potato-based dishes, check out our make-ahead mashed potato casserole for another easy family favorite. This casserole serves about 12 people and delivers around 529 calories per serving, making it a satisfying side without overwhelming your meal plan.

Jump To

1. Why You’ll Love This French Onion Funeral Potatoes
2. Essential Ingredients for French Onion Funeral Potatoes
3. How to Prepare the Perfect French Onion Funeral Potatoes: Step-by-Step Guide
4. Dietary Substitutions to Customize Your French Onion Funeral Potatoes
5. Mastering French Onion Funeral Potatoes: Advanced Tips and Variations
6. How to Store French Onion Funeral Potatoes: Best Practices
7. FAQs: Frequently Asked Questions About French Onion Funeral Potatoes
8. French Onion Funeral Potatoes

Essential Ingredients for French Onion Funeral Potatoes

Gathering the right ingredients is key to creating this delicious French Onion Funeral Potatoes casserole. Below is a complete list based on the recipe, ensuring you have everything needed for a perfect outcome. Each item is listed with precise measurements to make your cooking experience smooth and accurate.

Structured Ingredient List

32 ounces frozen cubed hash browns, thawed
¼ cup unsalted butter, melted
2 cups sharp cheddar cheese, shredded
1 ½ cups sour cream
¼ cup unsalted butter (for the sauce)
1 small yellow onion, diced
2 teaspoons garlic, minced
¼ cup all-purpose flour
1 teaspoon kosher salt
½ teaspoon black pepper
½ teaspoon cayenne pepper
½ teaspoon dried mustard
½ cup chicken broth at room temperature
½ cup whole milk at room temperature
2 large yellow onions, thinly sliced and separated into layers (about 4 cups)
4 cups vegetable oil
½ teaspoon kosher salt (for fried onions)

This list covers all components, from the potato base to the crispy topping, ensuring no detail is missed. For tips on substitutions, we’ll cover those in a later section.

How to Prepare the Perfect French Onion Funeral Potatoes: Step-by-Step Guide

Creating French Onion Funeral Potatoes is straightforward and fun, with a total preparation time of about 20 minutes and a cook time of 50 minutes, making the whole process around 1 hour and 10 minutes. Start by preheating your oven to 350°F and spraying a 9×13-inch baking dish with nonstick spray to prevent sticking. This recipe serves as a cozy side dish for up to 12 people, perfect for sharing at family events.

First Steps: Preparing the Base

In a large bowl, mix the thawed 32 ounces of frozen cubed hash browns with ¼ cup of melted unsalted butter, 2 cups of shredded sharp cheddar cheese, and 1 ½ cups of sour cream until everything is well combined; set this aside for now. Meanwhile, in a skillet over medium heat, melt another ¼ cup of unsalted butter and cook the diced small yellow onion until it softens, which takes about 3-5 minutes.

Add 2 teaspoons of minced garlic and cook for one more minute to build flavor. Stir in ¼ cup of all-purpose flour, 1 teaspoon of kosher salt, ½ teaspoon of black pepper, ½ teaspoon of cayenne pepper, and ½ teaspoon of dried mustard; let this cook for another minute to form a roux.

Building and Baking the Casserole

Slowly whisk in ½ cup of chicken broth and ½ cup of whole milk, both at room temperature, and continue cooking until the sauce thickens to a creamy consistency. Pour this sauce into the potato mixture, stir everything together thoroughly, and spread it evenly into your prepared baking dish.

Bake the casserole for 45-50 minutes until it’s bubbly and heated through, filling your kitchen with an irresistible aroma. While it bakes, prepare the topping by heating 4 cups of vegetable oil to 350°F in a large saucepan and frying the thinly sliced 2 large yellow onions in batches until they turn pale golden brown, about 2-5 minutes; drain them on paper towels and sprinkle with ½ teaspoon of kosher salt.

Finishing Touches

Once baked, remove the dish from the oven and evenly sprinkle the fried onions on top for that signature crunch. Let it cool slightly before serving hot, as this helps the flavors meld. For more ideas on paired dishes, you might enjoy our chicken stir-fry recipe to complement this casserole.

Dietary Substitutions to Customize Your French Onion Funeral Potatoes

Making French Onion Funeral Potatoes adaptable means you can tweak it for various dietary needs while keeping the dish delicious. For instance, if you’re aiming for a vegan version, swap the sharp cheddar cheese with a plant-based alternative and use dairy-free sour cream. This ensures the creamy texture remains intact without any dairy.

Protein and Main Component Options

Replace cheddar cheese with vegan cheese or nutritional yeast for a plant-based source that still melts well.
Use dairy-free sour cream alternatives made from cashews or coconut to maintain creaminess.
Substitute the cream base with homemade gluten-free sauces if needed, ensuring the dish stays cohesive.

Other Modifications

Consider swapping potatoes with sweet potatoes for a lower-carb twist, or try different onions like shallots for a milder flavor. For those watching calories, opting for Greek yogurt instead of sour cream can lighten things up. These changes help make the recipe accessible for everyone, from students to seniors.

Mastering French Onion Funeral Potatoes: Advanced Tips and Variations

To elevate your French Onion Funeral Potatoes, focus on techniques like caramelizing onions slowly over low heat for a deep, rich sweetness that enhances the overall dish. Always use freshly shredded cheese for better melting and flavor, as it integrates more smoothly into the mixture. Experimenting with flavors, such as adding crispy bacon or sautéed mushrooms, can introduce extra umami that takes this casserole to the next level.

Flavor and Presentation Ideas

Add herbs like thyme or smoked paprika to create a spiced variation that suits seasonal tastes.
For presentation, serve in individual ramekins or top with toasted breadcrumbs for a crunchy contrast that wows your guests.
Make it ahead by assembling the dish and refrigerating for up to 24 hours, or freeze for 2-3 months and thaw overnight before baking.

Remember, frying fresh onions provides a superior texture compared to store-bought options, though you can use them for convenience. As shared in the tips, draining excess moisture from hash browns ensures the best results.

How to Store French Onion Funeral Potatoes: Best Practices

Proper storage keeps your French Onion Funeral Potatoes tasting fresh and delicious for days. After cooling, place leftovers in an airtight container and refrigerate for up to 3-4 days to preserve the creamy texture. If you want to extend its shelf life, freezing in suitable containers works well for up to 2 months, but always thaw it overnight in the fridge first.

Reheating and Prep Tips

Storage Method	Duration	Tips
Refrigeration	3-4 days	Use airtight containers to maintain flavor; reheat in oven at 350°F for 10-15 minutes.
Freezing	Up to 2 months	Portion for single servings and label with dates for easy tracking.
Reheating	N/A	Oven at 350°F retains texture; avoid microwave if possible to prevent sogginess.

This approach makes meal prep simpler for busy lifestyles, allowing you to enjoy the dish anytime.

FAQs: Frequently Asked Questions About French Onion Funeral Potatoes

What are French Onion Funeral Potatoes?

French Onion Funeral Potatoes are a variation of the traditional creamy potato casserole, infused with classic French onion soup flavors. This dish combines shredded or diced potatoes, sour cream, cheese, caramelized onions, and French onion soup mix, often topped with crispy fried onions. It’s a comforting side dish typically served at family gatherings and potlucks.

How do I make French Onion Funeral Potatoes crispy on top?

To get a crispy topping, sprinkle store-bought crispy fried onions evenly over the casserole during the last 10–15 minutes of baking. If you prefer, you can also mix crushed cornflakes or panko breadcrumbs with melted butter and spread this mixture on top before baking. This creates a golden, crunchy crust that contrasts nicely with the creamy potatoes.

Can I prepare French Onion Funeral Potatoes ahead of time?

Yes, you can assemble French Onion Funeral Potatoes a day in advance. After preparing the casserole, cover it tightly with foil and refrigerate. When ready to serve, bake it from chilled, adding extra baking time (around 15–20 minutes) until it’s heated through and the topping is crispy. Preparing in advance saves time on busy days.

Are instant potatoes a good substitute in French Onion Funeral Potatoes?

Instant potatoes can be used if you’re short on time, but they may alter the dish’s texture. Traditional recipes usually call for shredded or diced fresh or frozen hash browns to achieve a creamy and slightly chunky texture. If using instant potatoes, add less liquid and mix gently to avoid a runny casserole.

How can I make French Onion Funeral Potatoes healthier?

To make a lighter version, use reduced-fat sour cream and cheese, and swap some or all of the hash browns for cauliflower rice or mashed cauliflower. You can also reduce the amount of butter in the topping. Using low-sodium French onion soup mix helps control salt content. These tweaks maintain flavor while cutting calories and fat.

French Onion Funeral Potatoes Recipe with Crispy Onion Topping