Scalloped White and Sweet Potatoes are a decadent and impressive side dish. Who needs flour when you can thicken scalloped potatoes with whipping cream and cheese. This is the kind of recipe gluten free cooks need.
Several of my readers have told me they double this recipe and some even freeze it. I haven't tried that but I love to hear everyones' time saving and organizing tips for entertaining.
Ingredients
The contrasting colours of the potatoes are what make this dish impressive. However, it can be made with any potato variety for a delicious scalloped potato dish.
- sweet potatoes (orange flesh)
- white or yellow potatoes (as long as you have a contrast)
- whipping cream
- egg
- garlic powder
- nutmeg
- dried thyme (optional)
- Gruyere or Swiss cheese
See recipe card for exact amounts.
Best Tools for Making Scalloped Potatoes
If you’ve ever wanted to buy a mandoline, this is the reason. It makes uniformly thin slices of any vegetable for recipes like scalloped potatoes and moussaka or julienned vegetables for Beef and Bok Choy or a vegetable stir fry.
- Mandoline
- Food Processor
- But a good Chef’s Knife works too.
Sweet Potatoes vs Yams
With the popularity of sweet potato fries you would think sweet potatoes have orange flesh. Wouldn't you?
Being a foodie I thought yams had orange flesh and sweet potatoes had white flesh. I I did a bit of research and learned that’s true but it’s more complicated than that.
Sweet potatoes come in varieties (of course they do!) and the colour varies depending on the variety. The flesh can range from white to orange and even purple.
Yams are a white tuber not commonly available. According to my research because of a labelling law some sweet potatoes are labelled as yams. When sweet potatoes came to North America shippers and produce suppliers needed to distinguish them from potatoes. They simply called them yams and the rest is history.
All About Sweet Potatoes
For food history buffs you can read more here, Sweet Potatoes 101. To learn all about the varieties of sweet potatoes and growing them visit this post over at Happy DIY Home, 20 Types of Sweet Potatoes.
For everyday cooks there's an excellent chance you'll easily find something orange and something white to make these stunning scalloped potatoes.
In the comments below let me know if you made this recipe and what you learned.
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Scalloped White and Sweet Potatoes
Equipment
- mandoline for perfectly thin sliced potatoes
Ingredients
- 2 medium orange fleshed sweet potatoes (1-1½ lbs)
- 3 medium white or yellow fleshed potatoes (1-1½ lbs)
- 2 cups whipping cream
- 1 egg
- ½ teaspoon garlic powder
- ⅛ teaspoon nutmeg
- ⅛ teaspoon dried thyme (optional)
- salt and pepper
- 8 oz Gruyere or Swiss cheese, shredded
- Optional garnish - fresh thyme
Instructions
- Preheat oven to 350°F.
- Peel potatoes and slice thinly. I used a mandoline with 1.5 mm blade.
- In a 4-cup measuring cup add whipping cream, egg, garlic powder, nutmeg and thyme (if using). Stir until combined. Set aside.
- Brush an 8-inch square, glass baking pan (or 2 loaf pans) with oil. Line pan with parchment paper leaving enough excess over 2 sides to cover the pan while cooking.
- Starting with orange potatoes layer them slightly overlapping to cover the bottom of the pan.
- Top each layer with salt and pepper, a generous sprinkling of cheese and some of the cream mixture.
- Repeat alternating orange and white potatoes until you have 6 layers, 3 orange and 3 white.
- Sprinkle top layer with remaining cheese and cream mixture.
- Fold parchment over the potatoes and cover with foil. Can be prepared in advance to this point.
- Bake in preheated oven for 90 minutes.
- Let rest in the pan for 15-20 minutes. Using parchment transfer cooked potatoes to cutting board. Cut and serve hot. Garnish with fresh thyme if desired.
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