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Au Gratin Potatoes
why make this recipe
Au Gratin Potatoes are a classic comfort food dish that everyone loves. They are creamy, cheesy, and have a delightful golden crust on top. This recipe is perfect for family dinners, holidays, or gatherings with friends. The layers of tender potatoes and rich cheese sauce create a hearty side dish that pairs well with any main course. It’s an easy way to elevate your meal and impress your guests.

how to make Au Gratin Potatoes
Ingredients:
- Yukon gold potatoes
- White or yellow onion
- Butter
- All-purpose flour
- Unsweetened almond milk
- Cheddar cheese
- Garlic powder
- Salt
- Freshly ground black pepper
- Gruyere cheese
- Parmesan cheese
- Parsley
Directions:
- Preheat the oven to 375°F (190°C).
- Slice the Yukon gold potatoes and onion thinly.
- In a saucepan over medium heat, melt the butter and sauté the onion until translucent.
- Whisk in the flour and cook for 1-2 minutes.
- Gradually add the almond milk, stirring continuously until the mixture thickens.
- Stir in the cheddar cheese, garlic powder, salt, and black pepper until the cheese melts.
- Layer half of the potatoes in a greased baking dish, pour half of the cheese sauce over, then repeat with the remaining potatoes and sauce.
- Top with Gruyere and Parmesan cheese.
- Bake for about 45-60 minutes until the potatoes are tender and the top is golden.
- Garnish with parsley before serving.
how to serve Au Gratin Potatoes
Serve Au Gratin Potatoes hot and fresh from the oven. They make a great side dish for roasted meats, grilled chicken, or even as a vegetarian main dish. You can also place them on a serving platter and let everyone help themselves. Garnish with fresh parsley to add a pop of color.
how to store Au Gratin Potatoes
If you have leftovers, store them in an airtight container in the refrigerator. They will keep well for up to 3 days. You can reheat them in the oven or microwave to enjoy again. If you want to freeze them, make sure they cool completely first, then freeze in a freezer-safe container. They can be frozen for up to 2 months.
tips to make Au Gratin Potatoes
- Use a mandoline slicer to create evenly thin potato and onion slices. This ensures they cook evenly.
- For a richer flavor, feel free to mix different cheeses, or add more spices to the cheese sauce.
- Cover the dish with foil while baking for the first 30 minutes to keep the moisture in, then remove the foil to allow the top to brown.
variation
You can make a version with added vegetables, such as spinach or broccoli, for extra nutrition. Another option is to use a mix of cheeses like mozzarella or feta for different flavors.
FAQs
Can I use a different type of potato?
Yes, you can use other potatoes like Russet or red potatoes. Yukon gold potatoes are ideal for their creaminess, but any good baking potato will work.
Can I make Au Gratin Potatoes ahead of time?
Yes, you can prepare the dish a day in advance. Just assemble it, cover it well and store it in the fridge. Bake it when you’re ready to serve.
Is there a way to make this recipe gluten-free?
Absolutely! You can substitute the all-purpose flour with a gluten-free flour blend to thicken the cheese sauce. Make sure to check that your cheese is also gluten-free.

Au Gratin Potatoes
Ingredients
Main Ingredients
- 2 pounds Yukon gold potatoes
- 1 medium white or yellow onion
- 4 tablespoons butter
- 1/4 cup all-purpose flour Can substitute with gluten-free flour
- 2 cups unsweetened almond milk
- 2 cups cheddar cheese
- 1 teaspoon garlic powder
- 1 teaspoon salt
- 1/2 teaspoon freshly ground black pepper
- 1 cup Gruyere cheese
- 1/2 cup Parmesan cheese
- 2 tablespoons fresh parsley For garnish
Instructions
Preparation
- Preheat the oven to 375°F (190°C).
- Slice the Yukon gold potatoes and onion thinly.
- In a saucepan over medium heat, melt the butter and sauté the onion until translucent.
- Whisk in the flour and cook for 1-2 minutes.
- Gradually add the almond milk, stirring continuously until the mixture thickens.
- Stir in the cheddar cheese, garlic powder, salt, and black pepper until the cheese melts.
- Layer half of the potatoes in a greased baking dish, pour half of the cheese sauce over, then repeat with the remaining potatoes and sauce.
- Top with Gruyere and Parmesan cheese.
Baking
- Bake for about 45-60 minutes until the potatoes are tender and the top is golden.
- Garnish with parsley before serving.



