Scalloped potatoes are a classic comfort food that combines thinly sliced potatoes with a creamy, cheesy sauce. This dish is perfect for family dinners, potlucks, or any occasion where you want to impress with a hearty, flavorful side.
Most of the ingredients for scalloped potatoes are common pantry staples. However, you may need to ensure you have cheddar cheese and all-purpose flour on hand. These ingredients are essential for creating the creamy sauce that makes this dish so delicious.

Ingredients for Scalloped Potatoes Recipe
Potatoes: The main ingredient, providing the base for the dish.
Milk: Used to create the creamy sauce.
Butter: Adds richness and helps to thicken the sauce.
All-purpose flour: Combined with butter to make a roux, which thickens the sauce.
Cheddar cheese: Adds a cheesy flavor and creamy texture.
Salt: Enhances the overall flavor of the dish.
Black pepper: Adds a hint of spice and depth to the flavor.
Technique Tip for This Recipe
When making scalloped potatoes, ensure that the potatoes are sliced uniformly thin. This guarantees even cooking and prevents some pieces from being undercooked while others are overcooked. Using a mandoline slicer can help achieve consistent thickness. Additionally, when making the sauce, whisk continuously while adding the milk to avoid lumps and ensure a smooth, creamy texture.
Suggested Side Dishes
Alternative Ingredients
thinly sliced potatoes - Substitute with sweet potatoes: Sweet potatoes add a different flavor profile and a touch of sweetness, which can complement the creamy sauce.
milk - Substitute with heavy cream: Heavy cream will make the dish richer and creamier, though it will also increase the calorie content.
butter - Substitute with margarine: Margarine can be used as a non-dairy alternative, though it may slightly alter the flavor.
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 intolerance.
shredded cheddar cheese - Substitute with gruyere cheese: Gruyere cheese melts well and adds a nutty flavor, providing a gourmet twist to the dish.
salt - Substitute with soy sauce: Soy sauce can add a different depth of umami flavor, though it will also add a darker color to the dish.
black pepper - Substitute with white pepper: White pepper provides a similar heat without the black specks, which can be more visually appealing in a creamy dish.
Other Alternative Recipes Similar to This Dish
How to Store / Freeze This Recipe
Allow the scalloped potatoes to cool completely at room temperature. This helps prevent condensation, which can make the dish soggy.
Transfer the cooled scalloped potatoes to an airtight container. If you don't have one large enough, you can use multiple smaller containers or even freezer-safe resealable bags.
If you plan to store the scalloped potatoes in the refrigerator, they will stay fresh for up to 3-4 days. Make sure to label the container with the date to keep track of its freshness.
For longer storage, consider freezing the scalloped potatoes. Place the airtight container or resealable bags in the freezer. They can be stored for up to 2-3 months.
When you're ready to enjoy the scalloped potatoes again, thaw them in the refrigerator overnight. This slow thawing process helps maintain the texture and flavor.
To reheat, preheat your oven to 350°F (175°C). Transfer the scalloped potatoes to an oven-safe dish if they aren't already in one. Cover with foil to prevent drying out and bake for about 20-25 minutes, or until heated through.
If you prefer to reheat in the microwave, place a portion of the scalloped potatoes in 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 3-5 minutes, stirring halfway through to ensure even heating.
For an added touch, you can sprinkle a bit more shredded cheddar cheese on top before reheating. This will give the scalloped potatoes a fresh, cheesy finish.
Always check the internal temperature of the reheated scalloped potatoes to ensure they reach at least 165°F (74°C) for safe consumption.
How to Reheat Leftovers
Oven Method:
- Preheat your oven to 350°F (175°C).
- Place the scalloped potatoes in an oven-safe dish. If they seem dry, add a splash of milk or cream.
- Cover the dish with aluminum foil to prevent the top from over-browning.
- Bake for about 20-25 minutes, or until heated through. Remove the foil for the last 5 minutes to let the top crisp up.
Microwave Method:
- Transfer a portion of the scalloped potatoes to a microwave-safe dish.
- Cover the dish with a microwave-safe lid or plastic wrap, leaving a small vent for steam to escape.
- Heat on medium power for 2-3 minutes, then stir. Continue heating in 1-minute intervals until hot, stirring occasionally to ensure even heating.
Stovetop Method:
- Place the scalloped potatoes in a non-stick skillet or saucepan.
- Add a small amount of milk or cream to keep them moist.
- Cover and heat over medium-low heat, stirring occasionally, until warmed through. This should take about 10-15 minutes.
Air Fryer Method:
- Preheat your air fryer to 350°F (175°C).
- Place the scalloped potatoes in an air fryer-safe dish.
- Heat for 8-10 minutes, stirring halfway through, until the potatoes are hot and the top is crispy.
Best Tools for This Recipe
Oven: Used to bake the scalloped potatoes at a consistent temperature of 375°F (190°C).
Saucepan: Essential for melting the butter and cooking the flour to create the base of the sauce.
Whisk: Helps in gradually incorporating the milk into the butter and flour mixture to achieve a smooth sauce.
Greased baking dish: Holds the layered potatoes and sauce, ensuring they cook evenly in the oven.
Foil: Used to cover the baking dish for the first part of the baking process to prevent the cheese from burning.
Knife: Necessary for thinly slicing the potatoes.
Cutting board: Provides a safe and stable surface for slicing the potatoes.
Measuring cups: Used to measure the milk and shredded cheddar cheese accurately.
Measuring spoons: Ensures precise measurement of the salt, pepper, and flour.
Mixing spoon: Useful for stirring the sauce and layering the potatoes in the baking dish.
Cheese grater: Needed to shred the cheddar cheese if it is not pre-shredded.
How to Save Time on Making This Recipe
Use a mandoline: Slice potatoes quickly and evenly with a mandoline to save time.
Preheat the oven: Start preheating the oven before you begin prepping to ensure it's ready when you are.
Microwave the potatoes: Partially cook the potatoes in the microwave for a few minutes to reduce baking time.
Shred cheese in advance: Shred the cheddar cheese ahead of time or use pre-shredded cheese to save prep time.
Use a whisk: Whisk the sauce continuously to ensure it thickens quickly and evenly.

Scalloped Potatoes Recipe
Ingredients
Main Ingredients
- 4 cups Thinly sliced potatoes
- 2 cups Milk
- 2 tablespoons Butter
- 2 tablespoons All-purpose flour
- 1 cup Shredded cheddar cheese
- 1 teaspoon Salt
- 0.5 teaspoon Black pepper
Instructions
- Preheat oven to 375°F (190°C).
- In a saucepan, melt butter over medium heat. Stir in flour and cook for 1-2 minutes.
- Gradually whisk in milk, cooking until thickened. Add salt and pepper.
- Layer half of the potatoes in a greased baking dish. Pour half of the sauce over the potatoes. Repeat layers.
- Sprinkle cheese on top. Cover with foil and bake for 30 minutes. Remove foil and bake for another 30 minutes or until potatoes are tender.
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