How to Make Potato au Gratin

potato au gratin

A simple yet elegant potato au gratin dish

It never fails to amaze me at how just a few simple ingredients can be used to transform into a beautifully elegant dish, fit for an upmarket restaurant. Potato au gratin is a good example of an elegant dish that is made from simple everyday ingredients. Hence, it’s good to know how to make potato au gratin.

My deep fascination for scalloped potatoes au gratin began when my mother bought a cookbook that had all potato recipes. When I flipped through the cookbook and saw the photo of a homemade potato au gratin , I was intrigued at how just a humble potato can turn into such a wonderful looking dish!

My first taste of this dish was at a church potbless (potluck) party. Someone who came to the party blessed us with a potato au gratin dish and it tasted absolutely delicious!

Since that day, I was convinced that I just had to try making this dish. I looked through several recipes and tried them all. Nothing seemed to satisfy my tastebuds until I found this recipe from I guess the secret behind this recipe was its excellent combination of potatoes and onions.

I used to measure ingredients according to this recipe whenever I made this dish. However, yesterday, I just told myself – why not do it my own way without measuring ingredients? And so I did it my own style by liberally using the main ingredients and modifying it to suit my taste and it turned out so delicious! I’m definitely going to make this dish ‘free-style’ from now on!

If you’re interested in knowing how to make potato au gratin, here is the recipe:

Recipe adapted from



About 7 potatoes or less (depending on how many people you need to feed)
Grated tasty cheddar cheese
1 big onion, sliced
About ½ cup heavy cream


1) Preheat the oven at 180 C.
2) Thinly slice the potatoes. Once sliced, put them in a bowl of salted water so that they do not discolour.
3) Get your baking tray ready.
4) Place a layer of sliced potatoes at the bottom of your baking tray.
5) Then, top this layer with a generous layer of sliced onions. Then, top the onions with a generous helping of grated tasty cheddar cheese.
6) Repeat this process until the baking tray is full.
7) Pour the heavy cream on top of the potato layers. Then, top with another generous helping of grated cheese.
8) Put it in the oven for about 1 hour or until the potato au gratin is lightly browned.

So that’s it! Now you have a lovely homemade potato au gratin dish. You can serve your cooking creation with your favourite roast or ham and some vegetables.

I hope you’ll enjoy making this simple dish just as much as I did! This is a really easy way on how to make potato au gratin.

Have you tried making scalloped potatoes before? Or do you have other potato recipes to share?

Caroline Poh

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