Savory, cheesy, and packed with caramelized onion flavor, these French Onion Potatoes are an irresistible side dish that combines everything you love about French onion soup with hearty roasted potatoes. Easy to make and even easier to love, this dish is perfect for holidays, Sunday dinners, or just a cozy weeknight meal.
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Why You’ll Love This Recipe
Bold, Comforting Flavor – Tastes like French onion soup meets cheesy potatoes
Simple Ingredients – Just a few pantry staples
Versatile Side – Pairs with steak, chicken, or roasts
Easy to Make – Toss, bake, and serve
Crowd Favorite – Great for potlucks and holiday spreads
Ingredients You’ll Need
2 lbs baby gold or red potatoes, halved or quartered
1 packet (1 oz) French onion soup mix
2 tbsp olive oil
1 medium onion, thinly sliced
1 cup shredded Gruyère or Swiss cheese (or mozzarella for milder taste)
½ tsp garlic powder
¼ tsp black pepper
1 tbsp fresh parsley, chopped (for garnish)
Optional: ¼ cup sour cream or plain Greek yogurt for serving
Tools You’ll Need
Large mixing bowl
Baking dish or sheet pan
Spatula or spoon
Sharp knife and cutting board
Oven
Step-by-Step Instructions
Step 1: Preheat the Oven
Preheat oven to 400°F (200°C).
Grease a 9×13-inch baking dish or line a sheet pan with parchment paper.
Step 2: Toss the Potatoes
In a large bowl, toss potatoes with olive oil, French onion soup mix, garlic powder, black pepper, and sliced onion.
Make sure everything is evenly coated.
Step 3: Roast the Potatoes
Spread the seasoned potatoes in an even layer in your baking dish or on the sheet pan.
Bake for 35–40 minutes, stirring halfway through, until potatoes are tender and golden.
Step 4: Add the Cheese
Sprinkle the shredded cheese evenly over the hot potatoes.
Return to oven for 5–7 minutes, or until the cheese is melted and bubbly.
Step 5: Garnish and Serve
Remove from oven, sprinkle with fresh parsley, and serve warm.
Optional: Add a dollop of sour cream or Greek yogurt on the side.
Tips for the Best French Onion Potatoes
Use Waxy Potatoes – Baby gold or red potatoes hold their shape and roast well
Don’t Skip the Onions – They caramelize and add extra flavor
Use Gruyère – It melts beautifully and adds classic French onion taste
Roast at High Heat – Ensures crisp edges and soft centers
Serving Suggestions
Serve with:
Grilled or roasted chicken
Steak or pot roast
Green beans or roasted broccoli
Crusty bread or a side salad
Perfect for:
Holiday dinners
Potlucks and gatherings
Weeknight meals
Comfort food cravings
How to Store & Reheat
Refrigerate: Store in an airtight container for up to 4 days
Reheat: Bake at 375°F until warmed through or microwave individual portions
Freeze: Not recommended—potatoes may become mushy
Frequently Asked Questions
Can I use fresh herbs?
Absolutely—thyme or rosemary work beautifully with the onion flavor.
What cheese works best?
Gruyère for traditional flavor, Swiss or mozzarella for a milder option.
Can I prep it ahead?
Yes—assemble and refrigerate, then bake and add cheese just before serving.
Can I make it vegetarian?
Yes! Just make sure the soup mix is free from meat-based ingredients.
Final Thoughts
French Onion Potatoes are the savory, cheesy, crowd-pleasing side you didn’t know you needed. With crispy roasted edges, gooey cheese, and rich onion flavor, they’re perfect for elevating any dinner from basic to bold. Try them once, and you’ll want them on the table again and again.
Try it out and let me know what you think! Don’t forget to leave a review below and share your photos on Pinterest! I can’t wait to see how your French Onion Potatoes turn out.
Preparation Time: 10 minutes
Cooking Time: 45 minutes
Cuisine: American–French Fusion
Nutritional Information (Per Serving):
Calories: 260 | Protein: 6g | Carbohydrates: 28g | Fat: 13g | Fiber: 3g | Sodium: 470mg

French Onion Potatoes
- Total Time: 55 minutes
Description
Savory, cheesy, and packed with caramelized onion flavor, these French Onion Potatoes are an irresistible side dish that combines everything you love about French onion soup with hearty roasted potatoes. Easy to make and even easier to love, this dish is perfect for holidays, Sunday dinners, or just a cozy weeknight meal.
Want recipes like this delivered straight to your inbox? Subscribe now to get the latest culinary creations you’ll love.
Ingredients
2 lbs baby gold or red potatoes, halved or quartered
1 packet (1 oz) French onion soup mix
2 tbsp olive oil
1 medium onion, thinly sliced
1 cup shredded Gruyère or Swiss cheese (or mozzarella for milder taste)
½ tsp garlic powder
¼ tsp black pepper
1 tbsp fresh parsley, chopped (for garnish)
Optional: ¼ cup sour cream or plain Greek yogurt for serving
Instructions
Step 1: Preheat the Oven
Preheat oven to 400°F (200°C).
Grease a 9×13-inch baking dish or line a sheet pan with parchment paper.
Step 2: Toss the Potatoes
In a large bowl, toss potatoes with olive oil, French onion soup mix, garlic powder, black pepper, and sliced onion.
Make sure everything is evenly coated.
Step 3: Roast the Potatoes
Spread the seasoned potatoes in an even layer in your baking dish or on the sheet pan.
Bake for 35–40 minutes, stirring halfway through, until potatoes are tender and golden.
Step 4: Add the Cheese
Sprinkle the shredded cheese evenly over the hot potatoes.
Return to oven for 5–7 minutes, or until the cheese is melted and bubbly.
Step 5: Garnish and Serve
Remove from oven, sprinkle with fresh parsley, and serve warm.
Optional: Add a dollop of sour cream or Greek yogurt on the side.
Notes
Use Waxy Potatoes – Baby gold or red potatoes hold their shape and roast well
Don’t Skip the Onions – They caramelize and add extra flavor
Use Gruyère – It melts beautifully and adds classic French onion taste
Roast at High Heat – Ensures crisp edges and soft centers
- Prep Time: 10 minutes
- Cook Time: 45 minutes
- Cuisine: American–French Fusion