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French Onion Potato Bake

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This recipe keeps things simple but packs in the flavor.

Ingredients

For the Caramelized Onions:

    • 2 large yellow onions, thinly sliced

    • 2 tablespoons butter

    • 1 tablespoon olive oil

    • 1 teaspoon salt

    • ½ teaspoon black pepper

    • 1 teaspoon sugar (optional, helps onions caramelize faster)

    • ½ teaspoon garlic powder

    • ½ teaspoon dried thyme (or 1 teaspoon fresh thyme)

    • ½ cup beef broth (or vegetable broth for a vegetarian version)

For the Potato Bake:

    • 4 large Yukon Gold potatoes, sliced ¼-inch thick

    • 1 tablespoon butter (for greasing)

    • 1 cup shredded Gruyère cheese (or Swiss, cheddar, or mozzarella)

    • ½ cup Parmesan cheese, grated

    • 1 cup heavy cream or whole milk

    • ½ teaspoon salt

    • ¼ teaspoon black pepper

    • 1 teaspoon fresh thyme leaves

For Garnishing:

    • Fresh thyme sprigs

    • Extra Parmesan cheese

  • Crispy fried onions (optional, for extra crunch!)

Instructions

Step 1: Caramelize the Onions

  1. Heat butter and olive oil in a large skillet over medium-low heat.

  2. Add the sliced onions, salt, pepper, sugar, garlic powder, and thyme.

  3. Cook slowly, stirring occasionally, for 20-25 minutes, until onions are deep golden brown.

  4. Pour in ½ cup beef broth, stir, and cook for 5 more minutes, until onions are soft and jammy.

  5. Remove from heat and set aside.

(Pro Tip: The slower you cook the onions, the sweeter and richer they become!)

Step 2: Prepare the Potatoes

  1. Preheat the oven to 375°F (190°C).

  2. Grease a 9×13-inch baking dish with 1 tablespoon butter.

  3. Slice the Yukon Gold potatoes into ¼-inch thick rounds.

  4. Toss the potatoes with heavy cream, salt, pepper, and fresh thyme.

Step 3: Assemble the Bake

  1. Arrange half of the potatoes in a single layer in the baking dish.

  2. Spread half of the caramelized onions over the potatoes.

  3. Sprinkle with ½ cup Gruyère cheese and ¼ cup Parmesan.

  4. Repeat with the remaining potatoes, onions, and cheese.

  5. Pour the remaining cream over the top.

Step 4: Bake the Dish

  1. Cover with foil and bake for 40 minutes.

  2. Remove foil and bake another 20 minutes, until the cheese is bubbly and golden brown.

  3. For an extra crispy top, broil for 2-3 minutes at the end.

Step 5: Serve & Enjoy!

  1. Let the bake rest for 5 minutes before serving.

  2. Garnish with fresh thyme and crispy fried onions (optional).

  3. Serve warm and enjoy the cheesy, oniony goodness!

Notes

What to Serve with French Onion Potato Bake

This hearty, cheesy side dish pairs perfectly with:

  • Grilled steak or roast chicken 🍗

  • Garlic butter salmon 🐟

  • Crispy Brussels sprouts or green beans 🥦

  • Crusty French bread to soak up the sauce 🥖

For a comfort food feast, serve it alongside French onion soup and a fresh salad.

  • Author: niold.com

Find it online: https://niold.com/french-onion-potato-bake/