These au gratin potatoes are a must for holidays and Sunday dinners. It’s the perfect side dish to accompany beef, poultry, or ham. Serve this alongside the best prime rib, tender chicken, or this classic honey glazed ham.
Homemade Au Gratin Potatoes
Thinly sliced potatoes covered in a creamy sauce made with heavy cream and melty cheeses. The shallots and garlic flavor the sauce to perfection. Every comforting bite leaves you wanting more! There is just something about homemade au gratin potatoes warm from the oven that gets your family running to the dinner table. Potatoes are the holy grail of side dishes because they are so versatile. There are so many ways to prepare potatoes and every way is delicious. Try them roasted in the air fryer, mashed in the crockpot, or make this yummy hash brown casserole for your next side dish. I also have a scalloped potato recipe that is similar to these au gratin potatoes. The main difference is the added layers of extra cheese and the thicker slices of potatoes in this au gratin potato recipe.
Ingredients Needed
Making these hearty and delicious au gratin potatoes doesn’t require many ingredients at all! Here’s everything you need, and hopefully you’ll have most of them on hand already. The exact measurements are in the recipe card below.
Unsalted Butter: Grease the baking dish with softened butter. Russet Potatoes: Russet potatoes are perfect for baking. Heavy Whipping Cream: Helps thicken and adds richness to the sauce. If you prefer a slightly lighter version, substitute with half and half. Whole Milk: Whole milk creates a smooth and creamy sauce. Flour: Helps thicken the creamy sauce for your potatoes. Salt and Pepper: Potatoes ALWAYS need salt and pepper to taste. Garlic: Garlic adds a strong, savory, and delicious flavor. Use fresh garlic because your potatoes will have the best flavor! Shallot: I LOVE to use shallots instead of onions, but onions are also delicious. Parsley: Fresh parsley for flavor and garnish. Sharp Cheddar Cheese: Cheddar cheese is the best cheese for melting and is great in potato recipes. Parmesan Cheese: Freshly grated Parmesan cheese brings a sharp, nutty, and savory flavor to the dish. It forms a golden and crispy crust on top when baked, adding a delightful texture.
Au Gratin Potatoes Recipe
This au gratin potatoes recipe only takes 15 minutes of prep time and is easier than it looks. These are perfect for popping in the oven before a gathering with friends or family! Follow the exact instructions on the recipe card because I walk you through how to make au gratin potatoes.
Uniform Slices: The potatoes need to be sliced nice and thin. It’s also important that they are all cut to the same width. Using a sharp knife will help with this. If you have some thick slices and some thin slices, the potatoes will bake unevenly. The thicker slices won’t be cooked through, but the thinner slices could cook too much and turn into mashed potatoes. Use a Mandolin Slicer: If you have one of these on hand it will make the slicing process fly by quickly, just be careful with your fingers. Switch Up the Cheese: Take the cheesy flavors to the next level by using Gruyere cheese or smoked gouda in place of the cheddar. Talk about YUMMY! More Mix-Ins: Make these potatoes your own! Try adding bacon, chives, green onions, or other herbs like fresh thyme or rosemary.
In the Refrigerator: Store leftovers in the refrigerator in an airtight container for up to 4 days. To Reheat: Reheat potatoes in the microwave until warmed through, or in the oven for about 10 minutes at 350 degrees Fahrenheit.
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