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French Onion Potato Bake Recipe

French Onion Potato Bake Recipe


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4.7 from 32 reviews

  • Total Time: 1 hour 40 minutes
  • Yield: 6 1x

Description

Hearty French onion potato bake blends classic comfort with rich, caramelized flavors from golden onions and creamy potatoes. Cheese-topped layers promise a delightful culinary experience you’ll savor with every luxurious bite.


Ingredients

Scale

Main Ingredients:

  • 2 lbs (907 grams) starchy potatoes (Russet or Yukon Gold)
  • 2 large sweet onions (Vidalia or Walla Walla)
  • 1 1/2 cups (360 milliliters) shredded Gruyere cheese

Dairy and Seasoning:

  • 1 cup (240 milliliters) heavy cream
  • 2 tablespoons (30 milliliters) butter
  • 1 teaspoon fresh thyme leaves

Seasonings:

  • Salt to taste
  • Pepper to taste

Instructions

  1. Heat oven to 375F (190C) and coat a 9×13-inch baking dish with cooking spray or butter to prevent sticking.
  2. Transform onions into a rich, golden delicacy by melting butter in a skillet over medium heat. Gently stir sliced onions, allowing them to slowly caramelize for 15-20 minutes until they develop a deep, sweet brown color.
  3. Slice potatoes uniformly thin (approximately 1/8-inch thick) and transfer to a mixing bowl. Integrate heavy cream, season with salt, pepper, and fresh thyme, ensuring each potato slice is evenly coated.
  4. Create delectable layers in the prepared baking dish: spread half the cream-infused potato slices, then distribute half the caramelized onions. Repeat the layering process, finishing with a generous sprinkle of Gruyere cheese across the top.
  5. Shield the dish with aluminum foil and bake for 45 minutes. Uncover and continue baking 15-20 minutes until the cheese transforms into a bubbling, golden-brown crust.
  6. Allow the potato bake to rest for 3-5 minutes after removing from oven, enabling flavors to settle. Optionally, garnish with additional fresh thyme sprigs before serving.

Notes

  • Slice onions uniformly to ensure even caramelization and consistent texture throughout the dish.
  • Use a mandoline slicer for precise potato slicing, creating thin, even layers that cook evenly and look professional.
  • Opt for starchy potatoes like Russet or Yukon Gold for a creamy, tender potato bake with perfect consistency.
  • Experiment with cheese variations like sharp cheddar or fontina for different flavor profiles while maintaining the dish’s rich, comforting essence.
  • Prep Time: 30 minutes
  • Cook Time: 1 hour 10 minutes
  • Category: Breakfast, Lunch, Dinner, Appetizer, Snacks
  • Method: Baking
  • Cuisine: French

Nutrition

  • Serving Size: 6
  • Calories: 395 kcal
  • Sugar: 3 g
  • Sodium: 210 mg
  • Fat: 29 g
  • Saturated Fat: 17 g
  • Unsaturated Fat: 11 g
  • Trans Fat: 0.5 g
  • Carbohydrates: 22 g
  • Fiber: 2 g
  • Protein: 12 g
  • Cholesterol: 90 mg