A delightful dish that brings together the comforting flavors of French onion soup and creamy potatoes is French Onion Potatoes. This recipe is perfect for any occasion, whether it’s a cozy family dinner or a festive gathering. The creamy texture combined with the cheesy topping makes it a standout side dish that everyone will love.

Why You’ll Love This Recipe
- Unmatched Flavor: The combination of French onion soup mix and cheddar cheese creates a rich, savory flavor that elevates simple potatoes.
- Easy to Prepare: With just a few steps and minimal prep time, this dish comes together effortlessly, making it perfect for busy weeknights.
- Versatile Side Dish: These creamy potatoes pair well with meats, salads, or can even be enjoyed on their own as a hearty vegetarian option.
- Crowd-Pleaser: With its cheesy goodness and familiar flavors, this dish is sure to impress your family and friends at any gathering.
Tools and Preparation
To make your cooking experience smoother, gather the essential tools before starting. Having the right equipment will help you prepare these delicious French onion potatoes with ease.
Essential Tools and Equipment
- 9×13-inch baking dish
- Large mixing bowl
- Knife
- Cutting board
- Measuring cups
Importance of Each Tool
- 9×13-inch baking dish: Ideal for layering the potatoes and ensures even cooking throughout the dish.
- Large mixing bowl: Provides ample space to combine ingredients without making a mess.
Ingredients
A deliciously creamy and cheesy twist on potatoes with French onion soup flavor.
Potatoes
- 6 medium-sized potatoes, peeled and thinly sliced.
Soup Mix
- 1 packet French onion soup mix.
Dairy Ingredients
- 2 cups sour cream.
- 2 cups shredded cheddar cheese.
- 1/4 cup milk.
Other Ingredients
- 1/2 cup butter, melted.
- Salt and pepper, to taste.
How to Make French Onion Potatoes
Step 1: Preheat the Oven
Preheat your oven to 350°F (175°C) so it’s ready for baking.
Step 2: Prepare the Baking Dish
Grease a 9×13-inch baking dish. This prevents sticking and ensures easy serving once baked.
Step 3: Mix the Ingredients
In a large bowl:
1. Combine sour cream, milk, butter, and French onion soup mix.
2. Stir until well blended.
Step 4: Layer the Potatoes
- Arrange the sliced potatoes in the greased baking dish.
- Pour the sour cream mixture over the potatoes, ensuring they are well-coated.
Step 5: Bake Covered
Cover the dish with aluminum foil. Bake for 45 minutes to allow the flavors to meld and potatoes to soften.
Step 6: Add Cheese and Finish Baking
- Remove the foil from the baking dish.
- Sprinkle shredded cheddar cheese over the top.
- Bake uncovered for an additional 15 minutes, or until potatoes are tender and cheese is bubbly.
Step 7: Serve Hot
Remove from oven, let cool slightly, then serve hot and enjoy this creamy, cheesy goodness!
This recipe yields about 6 servings – perfect for sharing!
How to Serve French Onion Potatoes
French Onion Potatoes are a delightful side dish that can complement many meals. Their creamy and cheesy texture pairs well with various main courses, making them versatile for any occasion.
With Grilled Meats
- Steak – The richness of the potatoes enhances the flavors of grilled steak.
- Chicken – Serve alongside grilled or roasted chicken for a comforting meal.
- Pork Chops – The savory notes of French onion flavor pair beautifully with pork.
As a Warm Salad Base
- Mixed Greens – Use French Onion Potatoes as a base for mixed greens tossed in vinaigrette for added freshness.
- Roasted Vegetables – Top with seasonal roasted vegetables for extra nutrition and flavor.
With Bread
- Garlic Bread – Serve with garlic bread to balance out the creamy richness of the potatoes.
- Dinner Rolls – Soft dinner rolls can be perfect for mopping up any leftover sauce.

How to Perfect French Onion Potatoes
To make sure your French Onion Potatoes turn out perfectly every time, consider these helpful tips. They will enhance the flavor and texture of your dish.
- Use fresh potatoes – Fresh potatoes will provide better flavor and texture compared to older ones that may be mealy.
- Thinly slice potatoes – Ensuring even thickness allows all slices to cook uniformly and achieve a creamy consistency.
- Mix ingredients well – Thoroughly combine the sour cream mixture to ensure each potato slice is coated in flavor.
- Cover while baking – Covering with foil keeps the moisture in, resulting in tender potatoes without drying out.
- Let cool before serving – Allowing the dish to cool slightly helps it set, making it easier to serve.
Best Side Dishes for French Onion Potatoes
Pairing side dishes with French Onion Potatoes can elevate your meal. Here are some fantastic options that complement this creamy potato dish.
- Grilled Asparagus – The slight bitterness of asparagus contrasts nicely with the rich flavors of the potatoes.
- Caesar Salad – A classic Caesar salad adds crunch and freshness that balances the creaminess of the dish.
- Sautéed Green Beans – Crisp green beans tossed in garlic provide a vibrant color and taste contrast.
- Coleslaw – A tangy coleslaw adds a refreshing crunch that offsets the heaviness of French Onion Potatoes.
- Roasted Brussels Sprouts – The caramelized edges of Brussels sprouts enhance the overall flavor profile when served together.
- Corn on the Cob – Sweet corn brings a pop of sweetness that complements the savory nature of the potatoes.
Common Mistakes to Avoid
When making French Onion Potatoes, it’s easy to overlook some key details that can affect the dish. Here are common mistakes and how to avoid them.
- Skipping the Layering: Failing to layer the potatoes properly can lead to uneven cooking. Make sure each slice is well-coated with the sour cream mixture for consistent flavor.
- Not Preheating the Oven: Baking in a cold oven can result in undercooked potatoes. Always preheat your oven to 350°F (175°C) before placing your dish inside.
- Ignoring Seasoning: Forgetting to add salt and pepper can make your dish bland. Season layers of potatoes as you go for a more flavorful outcome.
- Using Cold Ingredients: Cold sour cream and butter can impact the texture. Allow these ingredients to reach room temperature before mixing for a smoother consistency.
- Overbaking or Undercooking: Baking times are crucial. Follow the cooking instructions closely to ensure potatoes are tender without becoming mushy.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftovers in an airtight container.
- Consume within 3-5 days for best quality.
Freezing French Onion Potatoes
- Use a freezer-safe container or bag.
- Freeze for up to 2-3 months for optimal taste.
Reheating French Onion Potatoes
- Oven: Preheat to 350°F (175°C), cover with foil, and bake until heated through.
- Microwave: Heat in short intervals, stirring occasionally until warm.
- Stovetop: Place in a skillet over medium heat, adding a splash of milk if needed, and stir frequently.
Frequently Asked Questions
Here are some common questions about French Onion Potatoes that may help you while preparing this delicious dish.
Can I use other types of cheese?
Yes! While cheddar is classic, feel free to experiment with mozzarella or Gruyère for a different flavor profile.
How do I make this dish healthier?
Consider using Greek yogurt instead of sour cream and reducing the amount of butter for a lighter version.
What should I serve with French Onion Potatoes?
These creamy potatoes pair well with grilled meats, roasted vegetables, or a fresh salad for a balanced meal.
Can I prepare French Onion Potatoes ahead of time?
Absolutely! You can assemble everything in advance and bake it just before serving.
Final Thoughts
French Onion Potatoes offer an irresistible blend of creamy and cheesy flavors that make them perfect for any occasion. This versatile recipe allows for customization, whether you want to add extra veggies or try different cheeses. Give it a try; your taste buds will thank you!

French Onion Potatoes
- Total Time: 1 hour 15 minutes
- Yield: Approximately 6 servings 1x
Description
Indulge in the creamy, cheesy goodness of French Onion Potatoes, a delightful twist on the classic French onion soup. This comforting dish combines layers of thinly sliced potatoes with a rich mixture of sour cream, buttery flavors, and savory onion notes, topped with melted cheddar cheese. Perfect for family dinners or festive gatherings, these potatoes are a crowd-pleaser that will leave your guests asking for seconds. Their versatility allows them to pair beautifully with any main course, making them an essential addition to your recipe repertoire.
Ingredients
- 6 medium-sized potatoes, peeled and thinly sliced
- 1 packet French onion soup mix
- 2 cups sour cream
- 2 cups shredded cheddar cheese
- 1/4 cup milk
- 1/2 cup butter, melted
- Salt and pepper to taste
Instructions
- Preheat the oven to 350°F (175°C).
- Grease a 9×13-inch baking dish.
- In a large bowl, combine sour cream, milk, melted butter, and French onion soup mix; stir until well blended.
- Layer sliced potatoes in the greased dish and pour the sour cream mixture over them.
- Cover with foil and bake for 45 minutes.
- Remove foil, sprinkle cheddar cheese on top, and bake uncovered for an additional 15 minutes until bubbly and golden.
- Let cool slightly before serving.
- Prep Time: 15 minutes
- Cook Time: 60 minutes
- Category: Side Dish
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 cup (200g)
- Calories: 450
- Sugar: 3g
- Sodium: 620mg
- Fat: 28g
- Saturated Fat: 15g
- Unsaturated Fat: 10g
- Trans Fat: 0g
- Carbohydrates: 40g
- Fiber: 4g
- Protein: 9g
- Cholesterol: 60mg
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