A delightful dish that brings together the creamy richness of sour cream and the savory flavors of French onion soup, French Onion Potatoes are perfect for any occasion. Whether it’s a family dinner or a festive gathering, this recipe is sure to impress. With its cheesy topping and tender potatoes, it stands out as a comforting staple that everyone will love.

Jump to:
- Why You’ll Love This Recipe
- Tools and Preparation
- Essential Tools and Equipment
- Importance of Each Tool
- Ingredients
- For the Potatoes
- How to Make French Onion Potatoes
- Step 1: Preheat the Oven
- Step 2: Prepare the Baking Dish
- Step 3: Mix the Creamy Base
- Step 4: Layer the Potatoes
- Step 5: Bake Covered
- Step 6: Add Cheese Topping
- Step 7: Serve Hot
- How to Serve French Onion Potatoes
- As a Main Dish
- At Breakfast
- For Gatherings
- As Leftovers
- How to Perfect French Onion Potatoes
- Best Side Dishes for French Onion Potatoes
- Common Mistakes to Avoid
- Storage & Reheating Instructions
- Refrigerator Storage
- Freezing French Onion Potatoes
- Reheating French Onion Potatoes
- Frequently Asked Questions
- Can I use any type of potato?
- Are French Onion Potatoes gluten-free?
- How can I customize my French Onion Potatoes?
- What should I serve with French Onion Potatoes?
- Final Thoughts
- 📖 Recipe Card
Why You’ll Love This Recipe
- Easy to Prepare: With minimal prep time, you can have this delicious dish ready with ease.
- Rich Flavor: The blend of sour cream and French onion soup mix creates a unique taste that elevates simple potatoes.
- Versatile Side Dish: Pair these potatoes with meats, salads, or serve them on their own for a hearty meal.
- Crowd-Pleaser: With its creamy texture and cheesy goodness, this recipe is always a hit at gatherings.
- Make-Ahead Option: You can prepare it in advance, making it convenient for busy weeknights or special occasions.
Tools and Preparation
To ensure your cooking experience is smooth and enjoyable, having the right tools is essential. Here’s what you’ll need to get started.
Essential Tools and Equipment
- 9×13-inch baking dish
- Large mixing bowl
- Knife
- Cutting board
- Aluminum foil
Importance of Each Tool
- 9×13-inch baking dish: Perfect size for layering all the ingredients while allowing even cooking.
- Large mixing bowl: Essential for mixing the creamy sauce thoroughly before coating the potatoes.
Ingredients
A deliciously creamy and cheesy twist on potatoes with French onion soup flavor.
For the Potatoes
- 6 medium-sized potatoes, peeled and thinly sliced.
- 1 packet French onion soup mix.
- 2 cups sour cream.
- 2 cups shredded cheddar cheese.
- 1/2 cup butter, melted.
- 1/4 cup milk.
- Salt and pepper, to taste.
How to Make French Onion Potatoes
Step 1: Preheat the Oven
Preheat your oven to 350°F (175°C) to ensure it’s ready for baking.
Step 2: Prepare the Baking Dish
Grease a 9×13-inch baking dish thoroughly to prevent sticking.
Step 3: Mix the Creamy Base
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 evenly in the prepared baking dish.
- Pour the creamy mixture over the layered potatoes, ensuring each slice is well-coated.
Step 5: Bake Covered
Cover the dish with aluminum foil and bake for 45 minutes. This helps cook the potatoes evenly.
Step 6: Add Cheese Topping
Remove the foil:
1. Sprinkle shredded cheddar cheese on top.
2. Bake uncovered for an additional 15 minutes or until potatoes are tender.
Step 7: Serve Hot
Once cooked, serve your French Onion Potatoes hot, savoring every bite of this creamy, cheesy delight!
How to Serve French Onion Potatoes
French onion potatoes are a creamy and cheesy delight that can be served in various ways. They pair well with a range of dishes, making them a versatile addition to your meal.
As a Main Dish
- Garnish with Fresh Herbs: Add a sprinkle of chopped parsley or chives for a fresh touch.
- Serve with a Side Salad: A crisp garden salad can balance the richness of the dish.
At Breakfast
- Top with Fried Eggs: Serve alongside or on top of fried eggs for a hearty breakfast twist.
- Pair with Bacon or Sausage: Crispy bacon or sausage links complement the creamy flavors perfectly.
For Gatherings
- Offer as a Buffet Item: Place in a serving dish for guests to help themselves during gatherings.
- Accompany with Garlic Bread: Serve with toasted garlic bread for added texture and flavor.
As Leftovers
- Reheat in the Oven: To retain creaminess, reheat in the oven rather than the microwave.
- Add Additional Cheese: Sprinkle more cheese on top before reheating to enhance flavor.

How to Perfect French Onion Potatoes
To ensure your French onion potatoes turn out perfectly creamy and delicious, follow these helpful tips.
- Use Fresh Ingredients: Fresh potatoes and high-quality cheese will elevate your dish’s flavor.
- Slice Potatoes Evenly: Uniform slices ensure that all potatoes cook evenly and maintain the same texture.
- Don’t Skip the Foil Covering: Covering the dish while baking helps steam the potatoes, preventing them from drying out.
- Experiment with Cheeses: Try using Gruyere or mozzarella for different cheesy flavors in your dish.
- Let it Rest Before Serving: Allowing the dish to sit for about 10 minutes after baking helps it set up nicely.
Best Side Dishes for French Onion Potatoes
French onion potatoes can be paired with various sides that complement their rich and cheesy flavors. Here are some great options:
- Garlic Green Beans: Crisp-tender green beans sautéed in garlic provide a fresh contrast.
- Roasted Carrots: Sweet, caramelized roasted carrots add natural sweetness to your meal.
- Caesar Salad: A classic Caesar salad offers crunchy romaine and savory Parmesan that balance the creaminess.
- Grilled Asparagus: Lightly grilled asparagus adds a smoky flavor that pairs well with cheesy potatoes.
- Coleslaw: A tangy coleslaw provides crunch and acidity, enhancing overall taste.
- Corn on the Cob: Sweet corn complements the savory flavors and adds vibrant color to your plate.
Common Mistakes to Avoid
Making French Onion Potatoes can be simple, but there are common mistakes that could affect the outcome. Here are some pitfalls to watch out for:
- Incorrect potato slicing: Thinly slice your potatoes for even cooking. Thick slices may result in uneven texture and undercooked centers.
- Overusing salt: The French onion soup mix is already salty. Taste your dish before adding more salt to prevent overpowering flavors.
- Not layering properly: Layer the potatoes evenly in the baking dish. Skipping this step can lead to inconsistent cooking and uneven flavor distribution.
- Skipping the foil cover: Covering your dish with foil during the first part of baking helps steam the potatoes, ensuring they cook through. Don’t skip this step!
- Underestimating cook time: Every oven is different. Always check for tenderness before removing from the oven, as some potatoes may need a bit longer.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftovers in an airtight container for up to 3 days.
- Make sure the dish is completely cooled before sealing to avoid moisture buildup.
Freezing French Onion Potatoes
- Freeze in a freezer-safe container or heavy-duty freezer bag for up to 2 months.
- Label the container with the date for easy tracking.
Reheating French Onion Potatoes
- Oven: Preheat to 350°F (175°C) and bake covered for about 20 minutes or until heated through.
- Microwave: Heat in intervals of 1-2 minutes, stirring in between until hot.
- Stovetop: Place in a skillet over medium heat, stirring occasionally until warmed.
Frequently Asked Questions
Here are some commonly asked questions about French Onion Potatoes:
Can I use any type of potato?
Yes, you can use various potatoes, but starchy varieties like Russets work best for a fluffy texture.
Are French Onion Potatoes gluten-free?
The recipe contains French onion soup mix, which may contain gluten. Look for a gluten-free version if needed.
How can I customize my French Onion Potatoes?
You can add herbs like thyme or rosemary, or mix in cooked bacon or caramelized onions for extra flavor.
What should I serve with French Onion Potatoes?
These potatoes pair well with grilled meats, roasted vegetables, or a fresh salad for a complete meal.
Final Thoughts
French Onion Potatoes offer a delightful creamy and cheesy twist on traditional baked potatoes. This versatile dish is perfect for family gatherings and special occasions. Feel free to customize it with your favorite ingredients or spices to make it uniquely yours!
Did You Enjoy Making This Recipe? Please rate this recipe with ⭐⭐⭐⭐⭐ or leave a comment.
📖 Recipe Card
Print
French Onion Potatoes
- Total Time: 1 hour 15 minutes
- Yield: Serves approximately 8 people 1x
Description
French Onion Potatoes are a creamy, cheesy delight that transform simple potatoes into an unforgettable side dish. This easy-to-make recipe combines the savory flavors of French onion soup with the rich texture of sour cream and melted cheddar cheese. Perfect for any occasion, these baked potatoes are sure to impress family and friends at dinner parties or festive gatherings. With minimal prep time and a make-ahead option, this comforting staple will quickly become a favorite in your home.
Ingredients
- 6 medium-sized potatoes, peeled and thinly sliced
- 1 packet French onion soup mix
- 2 cups sour cream
- 2 cups shredded cheddar cheese
- 1/2 cup butter, melted
- 1/4 cup milk
- Salt and pepper, to taste
Instructions
- Preheat your 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 blended.
- Layer the sliced potatoes in the prepared baking dish and pour the creamy mixture over them.
- Cover with aluminum foil and bake for 45 minutes.
- Remove foil, sprinkle cheese on top, and bake uncovered for an additional 15 minutes or until tender.
- Serve hot and enjoy!
- Prep Time: 15 minutes
- Cook Time: 60 minutes
- Category: Side Dish
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 cup (240g)
- Calories: 360
- Sugar: 3g
- Sodium: 690mg
- Fat: 21g
- Saturated Fat: 12g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 36g
- Fiber: 4g
- Protein: 8g
- Cholesterol: 55mg