This dairy-free scalloped potatoes recipe is a delightful twist on a classic comfort food. Perfect for those who are lactose intolerant or simply looking to reduce their dairy intake, this dish combines creamy almond milk with tender potatoes and flavorful onions. The result is a rich and satisfying side dish that pairs well with a variety of main courses.
If you don't typically keep unsweetened almond milk in your pantry, you might need to pick some up at the supermarket. It's a great dairy-free alternative that adds a creamy texture to the dish without the lactose. Additionally, make sure you have all-purpose flour on hand, as it's essential for thickening the sauce.

Ingredients For Dairy-Free Scalloped Potatoes Recipe
Potatoes: Thinly sliced to ensure even cooking and a tender texture.
Onion: Finely chopped to add a sweet and savory flavor.
Unsweetened almond milk: A dairy-free alternative that provides creaminess without lactose.
Olive oil: Used to create the roux and add a rich flavor.
All-purpose flour: Essential for thickening the sauce.
Salt: Enhances the overall flavor of the dish.
Black pepper: Adds a hint of spice and depth.
Garlic powder: Infuses the sauce with a subtle garlic flavor.
Technique Tip for This Recipe
When making the sauce, ensure you whisk the flour and olive oil mixture constantly to avoid burning and to create a smooth base. Gradually adding the almond milk while whisking helps prevent lumps, resulting in a creamy and consistent sauce.
Suggested Side Dishes
Alternative Ingredients
Unsweetened almond milk - Substitute with coconut milk: Coconut milk provides a creamy texture and a slightly sweet flavor that complements the potatoes well.
Unsweetened almond milk - Substitute with soy milk: Soy milk has a neutral flavor and similar consistency to almond milk, making it a good alternative.
Olive oil - Substitute with avocado oil: Avocado oil has a high smoke point and a mild flavor, making it suitable for cooking and baking.
Olive oil - Substitute with coconut oil: Coconut oil adds a slight coconut flavor and works well in dairy-free recipes.
All-purpose flour - Substitute with cornstarch: Cornstarch is a gluten-free thickening agent that can replace flour in the sauce.
All-purpose flour - Substitute with arrowroot powder: Arrowroot powder is another gluten-free thickener that works similarly to cornstarch.
Salt - Substitute with sea salt: Sea salt has a slightly different mineral content and flavor but works the same way in recipes.
Black pepper - Substitute with white pepper: White pepper has a milder flavor and can be used to maintain a lighter color in the dish.
Garlic powder - Substitute with fresh garlic: Fresh garlic provides a more intense and aromatic flavor compared to garlic powder.
Garlic powder - Substitute with onion powder: Onion powder can add a similar depth of flavor if garlic is not available.
Other Alternative Recipes Similar to This Dish
How To Store / Freeze This Recipe
- Allow the scalloped potatoes to cool completely before storing. This prevents condensation, which can make the dish soggy.
- Transfer the cooled potatoes to an airtight container. If you don't have one large enough, you can use multiple smaller containers.
- Store the container in the refrigerator. The scalloped potatoes will stay fresh for up to 4 days.
- For freezing, place the cooled scalloped potatoes in a freezer-safe container or wrap them tightly in aluminum foil followed by plastic wrap. This double layer helps prevent freezer burn.
- Label the container with the date so you know when you stored it. Scalloped potatoes can be frozen for up to 3 months.
- To reheat, thaw the scalloped potatoes in the refrigerator overnight if frozen. Preheat your oven to 350°F (175°C).
- Transfer the potatoes to an oven-safe dish if they aren't already in one. Cover with aluminum foil to retain moisture.
- Bake for about 20-25 minutes, or until heated through. If you prefer a crispy top, remove the foil for the last 5-10 minutes of baking.
- For a quicker option, you can reheat individual portions in the microwave. Place a serving 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 hot. 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 the dish with aluminum foil to prevent the potatoes from drying out.
- Heat for about 20-25 minutes, or until the potatoes are heated through.
- 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 the dish with a microwave-safe lid or a damp paper towel.
- Microwave on medium power for 2-3 minutes.
- Stir the potatoes halfway through to ensure even heating.
- Continue microwaving in 1-minute intervals until the potatoes are hot.
Stovetop Method:
- Place the leftover scalloped potatoes in a non-stick skillet.
- Add a splash of unsweetened almond milk or vegetable broth to prevent sticking.
- Cover the skillet with a lid and heat over medium-low heat.
- Stir occasionally to ensure even heating.
- Heat until the potatoes are warmed through, about 10-15 minutes.
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 about 5-7 minutes, shaking the basket halfway through.
- Check to ensure the potatoes are heated evenly and serve immediately.
Best Tools for This Recipe
Oven: Used to bake the scalloped potatoes at a consistent temperature of 375°F (190°C).
Saucepan: Used to heat the olive oil and cook the flour and almond milk mixture until it thickens.
Whisk: Essential for gradually whisking in the almond milk to ensure there are no lumps in the sauce.
Measuring cups: Used to measure the almond milk, olive oil, and flour accurately.
Measuring spoons: Used to measure the salt, pepper, and garlic powder precisely.
Knife: Used to finely chop the onions and thinly slice the potatoes.
Cutting board: Provides a safe surface for chopping onions and slicing potatoes.
Baking dish: The dish in which the layered potatoes, onions, and sauce are baked.
Aluminum foil: Used to cover the baking dish for the first part of the baking process to ensure the potatoes cook evenly.
Mixing spoon: Used to stir the sauce and combine the ingredients.
Grease brush: Used to grease the baking dish to prevent the potatoes from sticking.
Oven mitts: Protect your hands when placing the baking dish in and out of the oven.
Cooling rack: Allows the dish to cool slightly before serving.
How to Save Time on Making This Recipe
Use a mandoline: Slice the potatoes quickly and evenly with a mandoline to save time.
Pre-chop onions: Finely chop the onions in advance and store them in the fridge.
Make sauce ahead: Prepare the sauce a day before and refrigerate it.
Layer efficiently: Arrange the potatoes and onions in the baking dish while the sauce is cooking.
Use foil wisely: Cover the dish tightly with aluminum foil to speed up the initial baking process.

Dairy-Free Scalloped Potatoes
Ingredients
Main Ingredients
- 4 cups potatoes, thinly sliced
- 1 cup onion, finely chopped
- 2 cups unsweetened almond milk
- 3 tablespoons olive oil
- 3 tablespoons all-purpose flour
- 1 teaspoon salt
- ½ teaspoon black pepper
- 1 teaspoon garlic powder
Instructions
- Preheat your oven to 375°F (190°C).
- In a saucepan, heat the olive oil over medium heat. Add the flour and stir constantly for about 2 minutes.
- Gradually whisk in the almond milk, making sure there are no lumps. Cook until the mixture thickens, about 5-7 minutes.
- Add the salt, pepper, and garlic powder to the sauce. Stir well.
- Layer half of the sliced potatoes in a greased baking dish. Top with half of the chopped onions. Pour half of the sauce over the potatoes and onions.
- Repeat the layers with the remaining potatoes, onions, and sauce.
- Cover the baking dish with aluminum foil and bake for 30 minutes. Remove the foil and bake for an additional 30 minutes, or until the potatoes are tender and the top is golden brown.
- Let the dish cool for a few minutes before serving.
Nutritional Value
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