Scalloped potatoes are a classic comfort food that brings warmth and satisfaction to any meal. This dish features layers of tender potatoes and onions enveloped in a creamy, flavorful sauce. Perfect for family gatherings or a cozy dinner at home, scalloped potatoes are sure to become a favorite.
Most of the ingredients for this recipe are common pantry staples. However, if you don't usually keep all-purpose flour or butter on hand, you'll need to pick them up at the supermarket. These ingredients are essential for creating the creamy sauce that makes scalloped potatoes so delicious.
Ingredients For Scalloped Potatoes Recipe
Potatoes: The main ingredient, providing the hearty base for the dish.
Onions: Adds a sweet and savory flavor that complements the potatoes.
Butter: Used to create the roux for the creamy sauce.
All-purpose flour: Thickens the sauce to the perfect consistency.
Salt: Enhances the overall flavor of the dish.
Pepper: Adds a hint of spice and depth to the sauce.
Milk: The base of the creamy sauce, making it rich and smooth.
Technique Tip for This Recipe
When slicing the potatoes, aim for uniform thickness to ensure even cooking. A mandoline slicer can be particularly helpful for achieving consistent slices. Additionally, when making the sauce, be sure to stir constantly to prevent lumps and ensure a smooth, creamy texture.
Suggested Side Dishes
Alternative Ingredients
potatoes - Substitute with sweet potatoes: Sweet potatoes offer a slightly sweeter flavor and a different nutritional profile, adding a unique twist to the dish.
onions - Substitute with shallots: Shallots provide a milder and slightly sweeter taste compared to onions, which can complement the creaminess of the dish.
butter - Substitute with olive oil: Olive oil is a healthier fat alternative and can provide a different but pleasant flavor to the dish.
all-purpose flour - Substitute with cornstarch: Cornstarch can be used as a thickening agent and is gluten-free, making it suitable for those with gluten sensitivities.
salt - Substitute with soy sauce: Soy sauce can add a depth of umami flavor and additional seasoning to the dish.
pepper - Substitute with white pepper: White pepper has a milder taste and can blend more seamlessly into the creamy sauce without altering the color.
milk - Substitute with heavy cream: Heavy cream will make the dish richer and creamier, enhancing the overall texture and flavor.
Other Alternative Recipes Similar to This Dish
How to Store / Freeze This Dish
- Allow the scalloped potatoes to cool completely at room temperature before storing. This helps prevent condensation, which can make the dish soggy.
- Transfer the cooled scalloped potatoes to an airtight container. If you don't have a container large enough, you can use a baking dish covered tightly with aluminum foil or plastic wrap.
- Store the container in the refrigerator. The scalloped potatoes will keep well for up to 3-4 days.
- For longer storage, consider freezing. Place the scalloped potatoes in a freezer-safe container or wrap them tightly in aluminum foil and then place them in a freezer bag.
- Label the container or bag with the date to keep track of freshness. Scalloped potatoes can be frozen for up to 2-3 months.
- When ready to reheat, if frozen, thaw the scalloped potatoes in the refrigerator overnight.
- Preheat your oven to 350°F (175°C). Transfer the scalloped potatoes to an oven-safe dish if they are not already in one.
- Cover the dish with aluminum foil to prevent the top from drying out. Bake for 20-30 minutes or until heated through. If you prefer a crispy top, uncover the dish for the last 10 minutes of baking.
- Alternatively, you can reheat individual portions in the microwave. Place a portion on a microwave-safe plate, cover with a microwave-safe lid or another plate, and heat on medium power for 2-3 minutes, or until warmed through. Stir halfway through to ensure even heating.
How to Reheat Leftovers
Oven Method: Preheat your oven to 350°F (175°C). Place the leftover scalloped potatoes in an oven-safe dish. Cover with aluminum foil to prevent drying out. Heat for about 20-25 minutes or until thoroughly warmed. For a crispy top, remove the foil during the last 5 minutes of reheating.
Microwave Method: Transfer a portion of the scalloped potatoes to a microwave-safe dish. Cover with a microwave-safe lid or plastic wrap, leaving a small vent for steam to escape. Heat on medium power for 2-3 minutes, stirring halfway through to ensure even heating. Continue heating in 1-minute intervals if needed.
Stovetop Method: Place the scalloped potatoes in a non-stick skillet over medium-low heat. Add a splash of milk or cream to help maintain moisture. Cover the skillet and heat for about 10-15 minutes, stirring occasionally until heated through.
Air Fryer Method: Preheat your air fryer to 350°F (175°C). Place the scalloped potatoes in a single layer in the air fryer basket. Heat for 5-7 minutes, shaking the basket halfway through to ensure even heating. This method will give you a crispy top layer.
Slow Cooker Method: Transfer the scalloped potatoes to your slow cooker. Set it on low heat and cover. Heat for 1-2 hours, stirring occasionally to ensure even warming. This method is great for keeping the dish warm for a longer period without drying it out.
Best Tools for This Recipe
Oven: Used to bake the scalloped potatoes at a consistent temperature of 350°F (175°C).
Saucepan: Used to melt the butter and prepare the sauce by combining flour, salt, pepper, and milk.
Stirring spoon: Essential for stirring the butter, flour, salt, and pepper mixture until smooth, and for stirring the sauce as it thickens.
Measuring cups: Used to measure out the milk and sliced potatoes accurately.
Measuring spoons: Used to measure the butter, flour, salt, and pepper precisely.
Knife: Used to thinly slice the potatoes and onions.
Cutting board: Provides a safe surface for slicing the potatoes and onions.
2-qt. baking dish: The dish in which the potatoes, onions, and sauce are layered and baked.
Grease brush or spray: Used to grease the baking dish to prevent sticking.
Aluminum foil: Used to cover the baking dish during the initial baking period.
Oven mitts: Essential for safely handling the hot baking dish when removing it from the oven.
Whisk: Useful for ensuring the sauce is smooth and free of lumps as it thickens.
How to Save Time on Making This Recipe
Pre-slice potatoes: Use a mandoline slicer to quickly and evenly slice the potatoes.
Pre-cook potatoes: Parboil the potatoes for 5 minutes to reduce baking time.
Use pre-sliced onions: Buy pre-sliced onions to save chopping time.
Make sauce ahead: Prepare the sauce in advance and store it in the fridge.
Layer efficiently: Arrange potatoes and onions in the baking dish while the sauce is cooking.

Scalloped Potatoes Recipe
Ingredients
Main Ingredients
- 4 cups thinly sliced potatoes
- 1 cup sliced onions
- 2 tablespoons butter
- 2 tablespoons all-purpose flour
- 1 teaspoon salt
- ¼ teaspoon pepper
- 2 cups milk
Instructions
- Preheat oven to 350°F (175°C).
- In a saucepan, melt butter over medium heat. Stir in flour, salt, and pepper until smooth. Gradually add milk. Bring to a boil, stirring constantly; cook and stir until thickened, about 2 minutes.
- Arrange half of the potatoes in a greased 2-qt. baking dish. Top with half of the onion and half of the sauce. Repeat layers. Cover and bake for 50 minutes. Uncover; bake until the potatoes are tender, 10-15 minutes longer.
Nutritional Value
Keywords
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