Cheesy Onion Potatoes

Featured in Meatless meals that satisfy.

Upgrade your comfort food game with cheesy potatoes layered in oniony sauce and topped with fresh crispy onions.
alicia in the kitchen
Updated on Thu, 08 May 2025 10:35:15 GMT
Golden baked potato casserole topped with crispy fried onions inside a white dish lying beside a striped napkin and silver spoon. Pin it
Golden baked potato casserole topped with crispy fried onions inside a white dish lying beside a striped napkin and silver spoon. | tasteofsavor.com

Gotta tell you about my twist 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 would you believe my mom called the very next day asking how to make them? That never happens! Those crunchy fried onions on top transform this dish completely, and that cheesy potato mixture underneath? It's comfort you can taste in every single forkful.

What Makes This Dish Special

This ain't your regular potato bake! I've updated those classic funeral potatoes we all knew growing up with a French onion spin. The sauce turns out ultra creamy, and when you bite into it with those crunchy onions mixed in, it's something else entirely. Even my picky nephew, who usually just pushes food around his plate, wanted more last Christmas!

Stuff You'll Need

  • Hash Browns: Go for frozen cubed ones as they don't turn mushy in the dish.
  • Cheese: Get sharp cheddar for that extra flavor kick!
  • Sour Cream: Don't skimp with low-fat it needs that richness.
  • Sauce Stuff: You'll create something wonderful with butter, onions, garlic, flour, broth, and milk.
  • For The Crunchy Topping: Pick up yellow onions and cut them really thin.
  • Flavor Boosters: Don't forget salt, pepper, a tiny bit of cayenne for heat, and dry mustard each one counts!

Cooking Steps

Mix Your Base
Start by combining those hash browns with melted butter, cheese, and sour cream. I grab my largest bowl cause cleaning up messes isn't fun!
Create The Sauce
Here comes the fun part. Cook your onions till they're tender and sweet, toss in garlic (always a good idea), then whip up your sauce. Once it's thick and bubbling, dump it all over your potato mix.
Baking Time
Put everything in your baking dish I use my trusty 9x13 that's been through countless family feasts. Stick it in the oven and let it work its magic.
Fix The Onions
While that's cooking, get those amazing crispy onions ready! Watch them carefully they'll burn in a flash. I usually make more than needed cause they're so snackable.
Finishing Touch
Crown your hot casserole with those crunchy onions and watch your family come running!

Make It Earlier

When things get crazy, here's a trick: make it beforehand! I often put it together the night before big events. Just wait to add those crispy onions until you're ready to eat. You can even stick it in the freezer for up to three months, which works great for unexpected company or when you're craving something warm and filling.

Try These Changes

Sometimes I get creative and mix in Gruyère with the cheddar it's unbelievable! My sister throws in some bacon pieces (cause everything's better with bacon), and my buddy Lisa adds diced red peppers for a pop of color. And when you're rushed, those store-bought fried onions work just fine nobody will judge!

Smart Cooking Advice

After making this loads of times, I've picked up some handy tricks! Make sure to drain those hash browns really well wet casseroles aren't great. Warm up your milk and broth a bit for a better sauce texture. And definitely keep an eye on your oil when frying onions. I've triggered the smoke alarm a couple times learning that lesson!

Why Everyone Loves It

There's just something special about how those smooth, cheesy potatoes work with the crunchy onion bits. It's like getting two comfort foods in one amazing dish. Whenever I bring this to gatherings, folks hang around it and the container always comes back empty!

Foods That Go Well With It

This casserole needs friends! It sits perfectly next to holiday turkey or a weekend roast. I always add something green on the plate to balance all that wonderful richness. Last Thanksgiving, it actually got more praise than the turkey my brother-in-law said so himself!

Common Questions

People always want to know: Can you use shredded hash browns? You can, but cubed ones stay firmer. Is it okay to use store-bought fried onions? Absolutely on busy days! How long do leftovers last? They'll stay good up to 4 days if they don't vanish from your fridge first!

Why I Keep Making It

You know what really matters about this dish? How it pulls everyone together. Whether we're celebrating a holiday or just having Sunday dinner, folks gather when this comes out of the oven. Something about that golden top and those crispy onions just makes everyone smile. And isn't that why we cook in the first place?

A golden baked potato dish with a crispy onion topping showing its creamy cheese filling beneath. Pin it
A golden baked potato dish with a crispy onion topping showing its creamy cheese filling beneath. | tasteofsavor.com

Frequently Asked Questions

→ Can I swap in premade crispy onions?
Absolutely, store-bought crispy onions like French's are a handy time-saver, though homemade ones will give a fresher taste.
→ Is it okay to prep this ahead?
Yes, prepare the base but leave off the crispy onions until serving to keep them crunchy. Store covered in the fridge for up to a day before cooking.
→ Why are they called funeral potatoes?
The name comes from their common presence at Midwest and Mormon funeral gatherings. They’re simple and feed a crowd easily.
→ Can I use fresh potatoes instead of frozen ones?
Sure, but frozen ones are faster. If you go fresh, shred them, cook lightly, and ensure they’re dried before blending with your mix.
→ How should leftovers be stored?
Put them in a sealed container and refrigerate for up to 3 days. Reheat in the oven to regain some crispness, though the onions will soften.

Onion Potatoes

Cheesy potatoes meet creamy French onion sauce in this casserole, finished with golden crispy fried onion topping.

Prep Time
20 Minutes
Cook Time
50 Minutes
Total Time
70 Minutes
By: Alicia

Category: Vegetarian

Difficulty: Intermediate

Cuisine: American

Yield: 12 Servings (12 servings)

Dietary: Vegetarian

Ingredients

01 32 ounces of frozen hash brown cubes, thawed.
02 1/4 cup (57g) of melted unsalted butter for the potatoes.
03 2 cups (226g) of shredded sharp cheddar cheese.
04 1 1/2 cups (345g) of sour cream.
05 1/4 cup (57g) of unsalted butter for the sauce.
06 1 small yellow onion, chopped.
07 2 teaspoons of minced garlic.
08 1/4 cup (31g) of all-purpose flour.
09 1 teaspoon of kosher salt.
10 1/2 teaspoon of black pepper.
11 1/2 teaspoon of cayenne pepper.
12 1/2 teaspoon of dried mustard powder.
13 1/2 cup (120g) of chicken broth at room temperature.
14 1/2 cup (122.5g) of room temperature whole milk.
15 2 large yellow onions (about 4 cups), cut thin.
16 4 cups of vegetable oil for deep frying.
17 1/2 teaspoon of kosher salt for seasoning the onions.

Instructions

Step 01

Turn oven on to 350°F. Stir thawed potatoes, melted butter, shredded cheese, and sour cream together in a big bowl.

Step 02

Cook garlic and onions in butter until softened. Add flour and spices, then whisk in milk and broth to make a creamy sauce.

Step 03

Mix the creamy sauce into the potato mixture and transfer it all into a greased 9x13-inch pan.

Step 04

Put the casserole in the oven and bake for 45 to 50 minutes until it's bubbling nicely.

Step 05

Bring the oil to 350°F. Fry onion slices in small batches for 2-5 minutes until crispy and golden. Let them drain and sprinkle with salt.

Step 06

Spread crispy onions over the hot casserole and dig in right away.

Notes

  1. Feel free to prep everything ahead, but save the onions for the last minute.
  2. Keep the oil at 350°F for every batch of onions you fry.

Tools You'll Need

  • Greased 9x13-inch pan.
  • A big saucepan.
  • Cooking thermometer.
  • Strainer or slotted spoon.

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains dairy products.
  • Includes 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