French Onion Potato Bake

Name: French Onion Potato Bake
Prep time: 15 min
Cook time: 1 h
Total time: 1 h 15 min
Yield: 8 servings
Ingredients: 2 lbs potatoes, peeled and sliced; 3 large onions, thinly sliced; 3 tablespoons butter; 1 cup heavy cream; 1 cup shredded cheese (Swiss or Gruyere); Salt and pepper to taste; Fresh thyme for garnish

Highlighted under: Comfort Food

Experience the ultimate comfort food with this French Onion Potato Bake, a deliciously decadent dish that combines tender potatoes with caramelized onions and a creamy, cheesy topping. Perfect for Thanksgiving or any gathering, this bake is rich in flavor and sure to impress your guests while offering a warm and hearty side that pairs well with turkey or ham.

Created by

Chloe Bennett

Last updated on 2025-11-23T11:38:50.699Z

This French Onion Potato Bake is not just a dish, it’s an experience. The combination of caramelized onions and creamy potatoes brings warmth and joy to any table.

A Comforting Classic

French Onion Potato Bake is a delightful combination of two beloved classics: French onion soup and creamy potato gratin. The velvety texture of the dish, enriched by caramelized onions and molten cheese, elevates simple ingredients into a gourmet experience. Each bite delivers a warm embrace, making it an ideal dish for chilly autumn evenings or festive gatherings. Its comforting nature ensures that it becomes a staple in your culinary repertoire.

This dish balances richness with the earthy flavor of potatoes, allowing it to stand out without overwhelming your palate. The layers of flavors meld beautifully, creating a sophisticated side that pairs perfectly with roasted meats. Serve it alongside turkey during Thanksgiving or alongside a holiday ham to impress your guests with minimal effort. The combination of flavors will have everyone asking for seconds.

Perfect for Entertaining

When entertaining, simplicity and flavor are key. The French Onion Potato Bake simplifies your meal prep while offering a dish that feels indulgent and thoughtful. With just a few ingredients, you can create a stunning centerpiece for your table. Guests will appreciate the homemade touch, and you'll love the compliments that come your way.

This bake can be prepared ahead of time, allowing you to spend more quality moments with your loved ones. Assemble the dish earlier in the day, and when it's time to eat, simply pop it in the oven. By minimizing your time in the kitchen during gatherings, you create a relaxed atmosphere that fosters connection and laughter around the table.

Customizable & Versatile

One of the best aspects of the French Onion Potato Bake is its versatility. While this recipe calls for Swiss or Gruyere cheese, feel free to experiment with your favorite cheeses or add additional ingredients like garlic, herbs, or even bacon to elevate the dish further. Each variation brings new dimensions, allowing you to tailor it to your taste preferences or dietary needs.

You can also adapt the recipe to use different types of potatoes, such as Yukon Gold or red potatoes, to achieve varying textures and flavors. Additionally, if you're looking for a lighter version, consider substituting the heavy cream with half-and-half or a dairy-free alternative. These adjustments make it an ideal option for any crowd, ensuring that this bake can be served at any occasion.

Ingredients

Gather these ingredients before you start:

Ingredients

2 lbs potatoes, peeled and sliced
3 large onions, thinly sliced
3 tablespoons butter
1 cup heavy cream
1 cup shredded cheese (Swiss or Gruyere)
Salt and pepper to taste
Fresh thyme for garnish

Make sure you have all ingredients ready before you begin cooking.

Instructions

Follow these steps to create your bake:

Prepare the Onions

In a large skillet, melt the butter over medium heat. Add the onions and cook slowly, stirring often, until they are golden brown and caramelized, about 25 minutes.

Layer the Potatoes

In a greased baking dish, layer half of the sliced potatoes, season with salt and pepper, and top with half of the caramelized onions.

Add Cream and Cheese

Pour half of the cream over the layers and sprinkle with half of the cheese. Repeat the layers with the remaining potatoes, onions, cream, and cheese.

Bake

Cover the dish with foil and bake in a preheated oven at 350°F (175°C) for 45 minutes. Remove the foil and bake for an additional 15 minutes until bubbly and golden.

Let the dish sit for 10 minutes before serving to allow it to set.

Storage and Reheating

After preparing your French Onion Potato Bake, you might have leftovers—or you may want to make it ahead of time. To store, let the dish cool completely before covering it tightly with plastic wrap or aluminum foil. It can be refrigerated for up to three days. The flavors will continue to meld, making it even more delicious when reheated.

To reheat, preheat your oven to 350°F (175°C). Remove the cover and bake for about 20-25 minutes, or until heated through. You can add a sprinkle of fresh cheese on top before reheating to restore that delightful bubbly texture. Alternatively, if you're short on time, individual portions can be microwaved for quick, satisfying meals.

Pairing Suggestions

French Onion Potato Bake is incredibly versatile and pairs well with a variety of main dishes. For a classic serving, enjoy it alongside roasted chicken or beef. The creamy texture complements the savory notes of the meat, creating a balanced plate that excites the taste buds. You can also serve it with a fresh green salad to add a light crunch that contrasts the creaminess of the bake.

If you're celebrating a special occasion, consider pairing this dish with a glass of white wine, such as a Chardonnay or a dry Riesling. The acidity of the wine will cut through the richness, elevating each bite you take. Whether it's a cozy family dinner or an elegant gathering, this bake will leave a lasting impression.

Nutritional Considerations

While French Onion Potato Bake is a decadent dish, it’s essential to be mindful of its nutritional aspects, especially during gatherings where rich foods abound. Potatoes are an excellent source of potassium and vitamin C, but the addition of cream and cheese increases the calorie count. Consider using low-fat versions of these dairy products if you're looking to lighten the dish without sacrificing flavor.

You can also add more vegetables, such as spinach or mushrooms, to enhance its nutritional value. This not only adds health benefits but also introduces new flavors and textures, making each serving even more satisfying. Overall, while indulgent, this recipe can be modified to create a more health-conscious version without losing the essence of what makes it so comforting and enjoyable.

Questions About Recipes

→ Can I make this recipe ahead of time?

Yes, you can prepare the dish a day in advance and refrigerate it until you're ready to bake.

→ What can I substitute for heavy cream?

You can use half-and-half or a dairy-free alternative if desired.