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French Onion Potatoes – Cheesy, Savory & Perfect for Cozy Dinners!

French Onion Potatoes

Indulge in the ultimate comfort food with our French Onion Potatoes. This cheesy and savory dish brings together tender, thinly sliced potatoes layered with sweet caramelized onions and rich Gruyère cheese. Perfect for cozy dinners, holiday gatherings, or potlucks, these potatoes are sure to impress family and friends. With easy preparation and versatile serving options, you can enjoy them as a delicious side or let them be the highlight of your meal. Each bite offers a warm and satisfying experience that will leave everyone asking for seconds!

  • Total Time: 1 hour 10 minutes
  • Yield: Serves approximately 6 people 1x

Ingredients

Scale
  • 2 lbs Yukon Gold or Russet potatoes, thinly sliced
  • 2 large onions, thinly sliced
  • 2 tbsp butter or olive oil
  • 1 packet onion soup mix or 1 cup condensed French onion soup
  • 1 cup beef or vegetable broth
  • 1 cup shredded Gruyère cheese (or a mix of cheddar, Swiss, mozzarella)
  • ½ cup sour cream or heavy cream
  • Salt & pepper to taste

Instructions

  1. Caramelize the onions: In a skillet over medium heat, melt butter or heat olive oil. Add sliced onions and cook until golden and soft (about 20–25 minutes). Deglaze with broth for extra flavor.
  2. Prepare the potatoes: Slice potatoes evenly and pat dry.
  3. Mix the base: In a bowl, combine sour cream, onion soup mix (or condensed soup), broth, and half of the cheese. Stir in caramelized onions.
  4. Layer in a greased baking dish: Start with half of the potatoes followed by half of the onion mixture; repeat layers and top with remaining cheese.
  5. Bake: Cover with foil and bake at 375°F for 30 minutes. Remove foil and bake an additional 15–20 minutes until golden.
  6. Garnish & serve: Sprinkle with fresh parsley before serving hot.
  • Author: Natalia
  • Prep Time: 15 minutes
  • Cook Time: 55 minutes
  • Category: Main
  • Method: Baking
  • Cuisine: French

Nutrition

  • Serving Size: 1 cup (200g)
  • Calories: 450
  • Sugar: 3g
  • Sodium: 800mg
  • Fat: 24g
  • Saturated Fat: 12g
  • Unsaturated Fat: 11g
  • Trans Fat: 0g
  • Carbohydrates: 50g
  • Fiber: 6g
  • Protein: 10g
  • Cholesterol: 40mg

Keywords: For a richer flavor, take your time caramelizing the onions until deep golden brown. Feel free to customize by adding vegetables like mushrooms or spinach. Let it rest for at least 10 minutes after baking for better slicing.