Indulge in this French onion potato bake, a simple yet irresistible comfort dish. With layers of tender potatoes, caramelized onions, and melted cheese, it’s the perfect mix of creamy and crispy. Save this cozy, country-inspired recipe for your next hearty dinner.
This French Onion Potato Bake blends caramelized onions, thin-sliced potatoes, Gruyère cheese, and a creamy thyme-infused sauce for a rich and savory side dish or main.
- Prep Time: 30 minutes
- Cook Time: 65 minutes
- Total Time: 1 hour 35 minutes
- Yield: 8 servings 1x
Ingredients
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2½ lbs Yukon Gold potatoes, thinly sliced
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3–4 yellow onions, thinly sliced
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2 tablespoons butter
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1 tablespoon olive oil
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2 cloves garlic, minced
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1 teaspoon fresh thyme, chopped
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1/4 cup beef or vegetable broth
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1½ cups heavy cream
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2 cups shredded Gruyère cheese (or mix of Gruyère and mozzarella)
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Salt and pepper, to taste
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Extra thyme for garnish
Instructions
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Caramelize onions in butter and olive oil over medium-low heat until golden (30–40 mins). Deglaze with broth, stir in garlic and thyme.
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Preheat oven to 375°F.
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Thinly slice potatoes and pat dry.
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Warm cream in a saucepan with a pinch of salt, pepper, and thyme. Remove from heat.
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Grease a 9×13 baking dish. Layer 1/3 of potatoes, 1/3 onions, and 1/3 cheese. Repeat layers.
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Pour warm cream over the top.
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Cover with foil and bake 45 minutes. Uncover, top with more cheese, and bake another 20–25 minutes until golden and bubbling.
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Let rest 10–15 minutes before serving
Notes
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Add mushrooms or cooked sausage for a hearty twist.
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Use a mandoline for consistent slicing.
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Reheats well and perfect for holidays or meal prep.