This Cheese-and-Herb Potato Gratin is simple enough to make for a weeknight dinner but elegant enough for any holiday meal. Sweet potatoes, Yukon Gold potatoes, cheese, and lots of herbs come together to make a delicious side dish.
This recipe is from the cookbook Live Life Deliciously: Recipes for Busy Weeknights and Leisurely Weekends.
A really beautiful potato gratin recipe
Does making a potato gratin intimidate you? Well, it shouldn't! This dish looks so impressive but is actually SO simple to put together.
I've turned everything you know about potato gratin ON ITS SIDE!
Instead of layering the potatoes and cheese in a casserole dish, flat, I've turned the thin slices of potato on their side and nestled them into the baking pan. It's easy enough and takes zero extra time!
When you bring this dish to your next social gathering, your friends and family will think that you spent all day on this gratin.
Scalloped potatoes or au gratin?
I'm going to be honest, I've never met a potato baked in cream and cheese I didn't like, so what you want to call it is up to you! However, technically there is a difference between scalloped potatoes and au gratin.
The main differenciator between scalloped potatoes and potatoes au gratin is cheese. Potatoes au gratin uses grated cheese, usually a Gruyere or cheddar. Scalloped potatoes are cooked in only heavy cream or milk.
Listen, in all my days I've never eaten scalloped potatoes that didn't have cheese. I think the American set loves a good cheese addition, so the lines have been blurred. Again, I'm not complaining.
More differences technically include the fact that scalloped potato slices tend to be thicker than au gratin. In my cheese and herb potato gratin that is definitely the case; my slices are super thin.
Au gratin means: covered with bread crumbs or grated cheese and browned (like you would under a broiler). The French prefix "au" is often left off as a dish then becomes referred to as A Gratin.
A thought on the origin of the name scalloped potatoes is that it came from an older English word, “collops”, meaning, among other things, slices of meat. It is also closely related to the French word, escalope.
How to make it: potato gratin recipe
To make this quick and easy potato gratin recipe even faster, use a mandoline to thinly slice the potatoes. If you don't have a mandoline, consider getting one. This Stainless Steel Mandoline on Amazon is a great one.
With a mandoline, you don't have to fiddle with a big knife and a little potato. All you have to do is run it across the blade and voila! Perfectly sliced potatoes.
You can make this recipe without one, but your slices will be uneven and it will take you FOREVER to cut all the slices.
To create this beautiful gratin, coat the potatoes with the herbs and cheese, arrange them in a circular pattern, and pour the milk and broth over top.
Then, pop it in the oven and you'll have soft, flavorful potatoes with crispy cheese and fragrant herbs.
Sweet potato gratin
Sweet potatoes make this dish so flavorful and even more beautiful. I LOVE the way the alternating colors look. Plus, the different flavors make every bite of this gratin interesting.
Often, sweet potatoes dishes are sugary and taste like dessert. Don't get me wrong, I love a good sucrose-loaded sweet potato dish, but I think that sweet potatoes are so delicious paired with savory flavors too.
My most popular sweet potato recipe:
More potato side dishes
I absolutely love side dishes. Honestly, I think they're usually the best part of the meal. Especially if they're carb-loaded and full of flavor!
I have so many delicious potato side dish recipes on my blog to choose from.
My best fall side dishes
Cheese And Herb Potato Gratin Recipe
- 3 medium sweet potatoes
- 6 small Yukon gold potatoes
- 1 tsp kosher salt
- ¼ tsp ground black pepper
- ¾ tsp garlic powder
- 1½ tsp dried parsley
- ½ tsp dried thyme
- ½ tsp ground sage
- ½ tsp dried rosemary
- 8 ounces Gruyère or sharp white cheddar grated (2 cups)
- ½ cup thinly sliced yellow onion chopped
- ½ cup whole milk or half-and-half
- ½ cup low-sodium chicken broth
- Preheat oven to 375°F. Peel potatoes, and, using a mandolin or vegetable slicer, cut into very thin slices. In a large bowl, gently toss potatoes with salt, pepper, garlic powder, parsley, thyme, sage, rosemary, cheese, and onion, until everything is evenly mixed. Be careful not to break the thin potato slices.
- Working with a small handful of potatoes at a time, gently line up coated slices in a 10-inch cast-iron skillet or 2-quart baking dish. Pour milk and broth over potatoes. Cover pan with foil and seal around edges.
- Bake 50 minutes and remove foil. Continue to bake until potatoes are tender and top is golden, 15 to 20 minutes more. You can test the potatoes with a knife to see if they are tender throughout. Cool slightly and serve hot.
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Photography by Ty Mecham.