Recipe Of The Week: Onion Potato Gratin
September 2021 by Amanda A.
If you have extra onion and potatoes at home, this Onion Potato Gratin recipe from Simply Recipes is the dish to make! If you're craving cheesy potatoes , head to the store and pick up an onion and some potatoes and earn $0.04 when you upload your receipt with those purchases.
Prep Time: 15 Muns
Cook Time: 50 mins
Total: 65 Minutes
Servings: 4
Ingredients
1 1/2 pounds Yukon Gold potatoes, peeled, cut into 1/4 inch thick slices
1 large yellow onion, thinly sliced
2 tablespoons unsalted butter
Salt
2 teaspoons Herbes de Provence, or dried thyme
1/2 teaspoon white pepper
1/2 teaspoon nutmeg
1 cup (packed) grated Gruyere cheese (about 4 oz)
8 tablespoons (packed) freshly grated Parmesan cheese (about 2 oz)
2/3 cup half-and-half (half cream, half milk)
Directions
-Preheat oven to 400°F
-Boil the potatoes:
Boil the potatoes for 4 minutes in salted water (1 tablespoon of salt for 2 quarts of water). Drain and set aside.
-Sauté the onions, sprinkle with salt and herbs:
Heat the butter over medium-high heat in a large sauté pan and cook the onions, stirring occasionally, until they are softened, about 5 minutes.
-Sprinkle them with salt and the Herbes de Provence. Turn off the heat and set aside.
-Layer potatoes, cheeses, onions, nutmeg in baking dish, pour over with half and half:
Spread half of the sliced potatoes over the bottom of an 11x7-inch baking dish (Pyrex works well). Sprinkle well with salt and white pepper.
-Sprinkle with about a third of the Gruyere and Parmesan cheeses. Top with the onions, the nutmeg and another 1/3 of the cheeses.
-Layer the remaining sliced potatoes on top of the cheeses.
-Pour the half and half over everything. Sprinkle again with salt and pepper.
Sprinkle the remaining one-third of the cheeses over everything. (At this point you can make a day ahead, just cover and refrigerate until time to cook.)
Bake:
Bake uncovered in 400°F oven until cream thickens and everything is nicely browned, about 25-30 minutes.
See full recipe here.
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