Spinach, Feta and Potatoes Au Gratin Recipe (2024)

FAQs

Why are my au gratin potatoes watery? ›

If you used a pre-prepped potato from the refrigerator section instead of slicing your own, they can have preservatives that make them a bit watery. If you stored your potatoes in water to prevent discoloring, be sure to drain them well and pat them dry before adding to your casserole.

Au Gratin potatoes are rich. Serve them with leaner proteins such as beef tenderloin, grilled or roasted chicken, and pan-seared fish. Another excellent pairing for Au Gratin potatoes is a fresh salad with herbs and a tart vinaigrette. Au Gratin potatoes make a great casserole and are a great entrée themselves.

Try letting the dish rest for 10 minutes or so to let the water get absorbed and let the sauce thicken. Try cooking your recipe longer. Try uncovering the dish in the oven for the last 10 minutes or so.

Au gratin potatoes bake uncovered for 60 to 75 minutes.

You'll know they're done when a paring knife can be easily slipped into the center of the casserole and the top is browned and crisped. Cool the whole dish for at least 10 minutes before scooping and serving.

What is the difference between au gratin potatoes and scalloped potatoes? Au Gratin potatoes contain cheese, whereas Scalloped Potatoes do not. Scalloped potatoes typically contain cream but can also contain flavorful stock instead of dairy.

If you're here, you'll probably be glad to know that yes, you can peel and cut potatoes the day before you plan to serve them — and that it's super easy! All you have to do is submerge the bare potato pieces in water and refrigerate (more on that later).

High heat will cause the milk to curdle. Use milk or cream with higher fat content. Whole milk, half-and-half, or cream and full-fat cheeses are necessary. Skim milk and reduced-fat products will not be your friend in this dish.

To thicken scalloped potatoes, keep cooking the sauce a minute or so longer than directed before adding the cheese. This will create a rich, extra-thick sauce. You can also use whole or 2% milk in place of the fat-free milk. You can try out these sauce thickening tips, too!

Thankfully, there's a simple and effective solution to this problem: Use instant potato flakes. Instant potato flakes are an excellent thickening agent made from real potatoes that have been cooked, mashed, and then dried.

Whisk a little cornstarch into the warm potatoes, only a teaspoon at a time, until the potatoes thicken to your liking. The potatoes must be warm. You can also use tapioca starch or potato starch, although most cooks are less likely to have those products on hand.

How do you fix runny potatoes? ›

You can use what you have on hand: Flour, cornstarch, or powdered milk are all solid options that are probably already in your pantry. Potato flour and potato starch would work as well. Stir in the thickening agent gradually, about a tablespoon at a time, until the potatoes have reached your desired consistency.