Thanksgiving is that magical time of year when the aroma of roasting turkey mingles with the sweet scent of pie baking in the oven. Thanksgiving Sweet Potato Au Gratin takes center stage, bringing creamy, cheesy goodness to your holiday table, and trust me, it’s a dish your guests will be dreaming about long after they’ve unbuttoned their pants. perfect Thanksgiving dessert.
Picture this: layers of tender sweet potatoes, lovingly embraced by rich cream, all topped with a golden, bubbling cheese crust. This dish not only adds color but elevates your Thanksgiving feast into something extraordinary. classic appetizer for Thanksgiving So grab your apron and get ready for some kitchen fun because this recipe is as delightful to make as it is to eat.
Why You'll Love This Recipe
- This Thanksgiving Sweet Potato Au Gratin combines simplicity and flavor for an unforgettable side dish
- The creamy texture pairs perfectly with savory turkey and stuffing
- Its vibrant orange hue brightens any holiday table
- Plus, it’s a crowd-pleaser that even picky eaters will adore!
Sharing this dish at Thanksgiving makes me feel like a culinary superhero; my family raves about it every year!

Essential Ingredients
Here’s what you’ll need to make this delicious dish:
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Sweet Potatoes: Choose firm, unblemished sweet potatoes for the best texture; they should be vibrant orange inside. parmesan crusted potatoes.
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Heavy Cream: This adds richness; opt for full-fat for extra creaminess.
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Grated Cheese: A mix of sharp cheddar and Gruyère creates a wonderful flavor balance.
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Butter: Use unsalted butter to control the seasoning in your dish.
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Garlic: Fresh cloves provide aromatic flair; avoid pre-minced varieties for better flavor.
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Salt and Pepper: Simple seasonings enhance overall taste; adjust according to preference.
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Nutmeg: Just a pinch adds warmth and depth to the dish; don’t skip it!
The full ingredients list, including measurements, is provided in the recipe card directly below.
Let’s Make it Together
Preparation Phase: Start by preheating your oven to 375°F (190°C). Lightly grease a baking dish with butter or nonstick spray. The aroma of melting butter gets us one step closer to deliciousness.
Slicing Sweet Potatoes: Carefully peel the sweet potatoes and slice them into thin rounds. Aim for uniform thickness to ensure even cooking; I recommend about 1/8 inch thick. For more inspiration, check out this crispy German potato pancakes recipe.
Layering Ingredients: Arrange half of the sliced sweet potatoes in the greased baking dish. sweet potato alternative dish Sprinkle with salt, pepper, and half of your minced garlic. Repeat with another layer using the rest of the potatoes.
Adding Cream and Cheese: In a bowl, combine heavy cream with nutmeg before pouring it over the layered potatoes. Generously sprinkle both cheeses on top—this is where dreams are made!
Baking Time!: Cover your baking dish with foil and place it in the oven for 40 minutes. Remove the foil afterward and bake for another 20 minutes until bubbly and golden brown on top. Your kitchen will smell heavenly at this point!
Serving Up Deliciousness: Allow the au gratin to rest for about 10 minutes before serving; this helps everything settle beautifully. Slice into portions, serve warm, and watch as everyone goes back for seconds!
And there you have it—a Thanksgiving Sweet Potato Au Gratin that steals the show every time! With each forkful filled with creamy goodness and cheesy delight, you’ll be receiving compliments galore!
You Must Know
- Thanksgiving Sweet Potato Au Gratin is a delightful twist on traditional gratin
- The creamy, cheesy layers combined with the sweetness of the potatoes will make your taste buds dance
- Plus, it’s a crowd-pleaser that can be prepped in no time, leaving you free to enjoy family time!
Perfecting the Cooking Process
Start by slicing sweet potatoes evenly for uniform cooking. Preheat your oven while you prepare the cheese sauce to ensure everything comes together seamlessly. Layer the slices with sauce and cheese for perfect gooeyness.

Add Your Touch
Consider adding spices like nutmeg or cinnamon to elevate flavors. You can also mix in some sautéed onions or garlic for an added kick. Experimenting makes this dish truly yours!
Storing & Reheating
Store leftovers in an airtight container in the fridge for up to three days. Reheat in the oven at 350°F until heated through—about 20 minutes—so it retains its creamy texture.
Chef's Helpful Tips
- Use a mandoline for perfectly thin potato slices, ensuring even cooking
- Always taste your cheese sauce before layering; seasoning is key!
- If you’re short on time, use pre-prepared cheese sauces from stores
Sharing this dish at family gatherings always earns me rave reviews—especially when my uncle goes back for thirds! It’s a heartwarming reminder of how food brings everyone together.

FAQ
Can I prepare Thanksgiving Sweet Potato Au Gratin ahead of time?
Yes, you can assemble it a day before and bake just before serving.
What type of cheese works best in this recipe?
A mix of sharp cheddar and Gruyère creates a wonderful flavor profile.
Can I substitute sweet potatoes with regular potatoes?
Yes, but sweet potatoes add unique sweetness and creaminess that regular ones lack.
Thanksgiving Sweet Potato Au Gratin
- Total Time: 1 hour 20 minutes
- Yield: Serves approximately 6 people 1x
Description
Thanksgiving Sweet Potato Au Gratin is a rich and creamy side dish that elevates any holiday feast. With layers of tender sweet potatoes enveloped in a luscious cheese sauce, this gratin is sure to impress your guests. The combination of sharp cheddar and Gruyère creates a flavor explosion that’s both comforting and indulgent. Perfect for pairing with turkey or served as a standalone delight, this dish will leave everyone asking for seconds!
Ingredients
- 2 lbs sweet potatoes, peeled and thinly sliced
- 1 cup heavy cream
- 1 cup grated sharp cheddar cheese
- 1 cup grated Gruyère cheese
- 4 tbsp unsalted butter
- 3 cloves garlic, minced
- 1 tsp salt
- 1/2 tsp black pepper
- 1/4 tsp nutmeg
Instructions
- Preheat oven to 375°F (190°C). Grease a baking dish with butter.
- Slice sweet potatoes into uniform rounds (about 1/8 inch thick).
- Layer half of the sweet potato slices in the greased dish, seasoning with salt, pepper, and half the garlic. Repeat with remaining potatoes.
- In a bowl, mix heavy cream and nutmeg; pour over the layered potatoes.
- Top generously with both cheeses.
- Cover with foil and bake for 40 minutes. Remove foil and bake for an additional 20 minutes until bubbly and golden brown.
- Let rest for 10 minutes before serving.
- Prep Time: 20 minutes
- Cook Time: 60 minutes
- Category: Side Dish
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 cup (240g)
- Calories: 360
- Sugar: 5g
- Sodium: 600mg
- Fat: 23g
- Saturated Fat: 14g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 32g
- Fiber: 4g
- Protein: 8g
- Cholesterol: 55mg





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