Tasty French Onion Potatoes

Featured in: Side Dishes

This dish takes ordinary potato casserole up a notch by blending cheesy hash browns with a scratch-made French onion mixture and crispy onion garnish.
Twistytaste.com
Updated on Mon, 21 Apr 2025 17:58:58 GMT
A baked casserole topped with golden, crispy fried onions in a white dish, accompanied by a striped cloth and a silver spoon. Pin it
A baked casserole topped with golden, crispy fried onions in a white dish, accompanied by a striped cloth and a silver spoon. | twistytaste.com

I've gotta tell you about my special take on comfort food! These French Onion Funeral Potatoes have turned into my family gathering staple. I whipped them up for a Sunday meal last winter, and something crazy happened—my mom called the very next day wanting the recipe! That never happens! Those crunchy fried onions on the top really bump these from decent to mind-blowing, and that cheesy potato mixture underneath? It's basically comfort in every spoonful.

What Makes This Dish Special

We're not talking about your everyday potato bake here! I've taken those classic funeral potatoes everyone remembers from childhood and given them a French onion upgrade. The sauce turns out silky and rich, and when you bite through those crispy onions on top—it's simply wonderful. Even my picky nephew went back for more last Christmas!

What You'll Need

  • Hash Browns: I stick with frozen cubed ones since they don't turn mushy in the dish.
  • Cheese: Go for sharp cheddar to get that amazing flavor punch!
  • Sour Cream: Don't skimp with low-fat—full fat makes everything better.
  • Sauce Stuff: We'll work some kitchen magic using butter, onions, garlic, flour, broth, and milk.
  • For Crunchy Toppings: Pick up some nice yellow onions and cut them super thin.
  • Flavor Boosters: You'll need salt, pepper, a tiny bit of cayenne for kick, and dry mustard—every bit counts!

Cooking Time!

Starting With Potatoes
Mix your hash browns with melted butter, cheese, and sour cream in your biggest bowl—trust me, you don't want to clean up overflow!
Creating The Sauce
This is where things get good. Cook those onions till they're soft and caramelized, toss in some garlic (because why wouldn't you?), then whip up your sauce. Once it's thick and bubbling, dump it all over your potato mix.
Baking Step
Put everything in your baking dish—I use my trusty 9x13 that's seen tons of family meals. Stick it in the oven and let it work its magic.
Onion Magic
While that's cooking, make those awesome crispy onions! Watch them carefully—they go from perfect to trash-worthy in no time. I usually make more than needed because they're so snackable.
Finishing Touch
Top your hot potato mixture with those freshly fried onions and watch everyone rush to the table!

Make-Ahead Options

When things get crazy, here's a handy trick: you can fix this ahead of time! I often get it ready the evening before big events. Just wait to add those crispy onions until you're about to serve. You can even stick it in the freezer for a couple months, which works great for surprise visitors or when you just want some comfort food without the work.

Tasty Variations

I sometimes get fancy and mix some Gruyère with the cheddar—it's unbelievable! My sister throws in some bacon bits (because bacon makes everything taste better), and my buddy Lisa adds chunks of red peppers for some color. And when you're rushing, those store-bought crispy onions do the job too—no shame in that!

Handy Cooking Tricks

After making this tons of times, I've picked up some useful tips! Make sure to really drain those hash browns—nobody wants a soggy casserole. Warm up your milk and broth a bit—it'll make your sauce come together better. And please keep an eye on your oil temperature when frying onions. I've triggered my smoke alarm more than once figuring that out!

The Amazing Flavor Combo

There's something truly special about how the smooth, cheesy potatoes work with those crunchy onions. It's like getting two comfort foods in one awesome dish. Every time I bring this to a shared meal, people hang around it and the dish always comes back empty!

Perfect Pairings

This casserole needs friends on the table! It sits perfectly next to holiday turkey or a weekend roast. I always put something green alongside it to balance the richness. Last Thanksgiving, my brother-in-law said it actually outshined the turkey!

Common Questions

People always want to know: Can you use shredded hash browns? Yeah, but cubed ones keep their texture better. Can you use store-bought onions? Absolutely, when you're short on time! How long do leftovers last? They're good for about 4 days—if they stick around that long!

Why Everyone Loves It

You know what makes this dish so great? It brings folks together. Whether it's a big holiday or just a regular Sunday dinner, everyone crowds around when this comes out hot from the oven. Something about that golden-brown top and those crispy onions just puts smiles on faces. And isn't that really what cooking's all about?

A baked casserole topped with crispy fried onions, showcasing a creamy, cheesy filling. Pin it
A baked casserole topped with crispy fried onions, showcasing a creamy, cheesy filling. | twistytaste.com

Frequently Asked Questions

→ Can I use store-bought fried onions instead?
Definitely! You can grab French's or any premade crispy onions to cut down on prep time. Just remember, making your own gives you a fresher taste and extra crunch.
→ Can I make this ahead of time?
You can mix up the potatoes and sauce earlier, but don't add those crispy onions until you're ready to serve so they stay crunchy. You can keep the prepared dish in your fridge for a day before baking.
→ Why are they called funeral potatoes?
This potato dish got its nickname because folks often bring it to after-funeral meals, especially in Midwestern states and Mormon communities. It's easy to make in big batches when you need to feed many people.
→ Can I use fresh potatoes instead of frozen hash browns?
You can, but frozen ones work better and save time. If you go with fresh, you'll need to grate them, cook them briefly, then drain and dry them thoroughly first.
→ How do I store leftovers?
Pop any extras in a sealed container and keep them in the fridge for up to 3 days. Just know the onions won't stay as crispy. Warming them back up in the oven works best.

Cheesy Potato Bake

A mouthwatering spin on traditional potato casserole, mixing shredded potatoes with cheese and a flavorful sauce, all finished with homemade crunchy fried onions.

Prep Time
20 Minutes
Cook Time
50 Minutes
Total Time
70 Minutes

Category: Side Dishes

Difficulty: Intermediate

Cuisine: American

Yield: 12 Servings (12 servings)

Dietary: Vegetarian

Ingredients

01 Thawed frozen diced hash browns (32 ounces).
02 Melted unsalted butter (1/4 cup/57g for hash browns).
03 Shredded sharp cheddar cheese (2 cups/226g).
04 Sour cream (1 1/2 cups/345g).
05 Unsalted butter (1/4 cup/57g for mixture).
06 Chopped yellow onion (1 small).
07 Finely chopped garlic (2 teaspoons).
08 All-purpose flour (1/4 cup/31g).
09 Kosher salt (1 teaspoon).
10 Ground black pepper (1/2 teaspoon).
11 Cayenne pepper (1/2 teaspoon).
12 Dry mustard powder (1/2 teaspoon).
13 Room temperature chicken broth (1/2 cup/120g).
14 Room temperature whole milk (1/2 cup/122.5g).
15 Thinly sliced yellow onions (2 large/4 cups).
16 Vegetable oil for frying (4 cups).
17 Kosher salt for onions (1/2 teaspoon).

Instructions

Step 01

Heat your oven to 350°F. In a big bowl, stir together thawed potatoes, melted butter, shredded cheese, and sour cream.

Step 02

Melt butter and cook onions and garlic until soft. Sprinkle in flour and add seasonings. Gradually pour in milk and broth, stirring constantly until sauce gets thick.

Step 03

Stir the warm sauce into your potato mix. Transfer everything to a buttered 9x13-inch dish.

Step 04

Pop in the oven for 45-50 minutes until it bubbles around the edges.

Step 05

Warm oil to 350°F. Cook onion slices in small batches until they turn golden brown, roughly 2-5 minutes. Let them drain and sprinkle with salt.

Step 06

Scatter crispy onions over the hot casserole before serving.

Notes

  1. You can make it in advance but wait to add the crispy onions until you're ready to serve.
  2. Always check that your oil stays at 350°F when frying each onion batch.

Tools You'll Need

  • Baking dish (9x13-inch).
  • Deep saucepan.
  • Cooking thermometer.
  • Mesh strainer or slotted spoon.

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Dairy.
  • Gluten.

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 529
  • Total Fat: 38 g
  • Total Carbohydrate: 35 g
  • Protein: 12 g