There’s something magical about the aroma wafting through your kitchen as you prepare Sweet Potato Gratin with Cream and Sage. Imagine layers of creamy goodness melting together, kissed by fragrant sage. This dish is like a warm hug on a chilly evening, inviting you to dive in.

As you slice those sweet potatoes, the vibrant orange color practically screams comfort food. It’s hard not to get excited about brunch, dinner gatherings, or even cozy nights in when this beauty takes center stage on your table.
Why You'll Love This Recipe
- Sweet Potato Gratin with Cream and Sage is easy to prepare, perfect for impressing guests without the fuss.
- The rich, creamy flavor combined with aromatic sage creates an irresistible taste sensation.
- Visually stunning, this gratin layers beautifully in any baking dish.
- It’s versatile enough for any occasion from holiday feasts to weeknight dinners.
I remember the first time I made this gratin; my friends thought I had become a gourmet chef overnight! The way their eyes lit up as they took their first bite was priceless.
Essential Ingredients
Here’s what you’ll need to make this delicious dish:
- Sweet Potatoes: Choose firm ones without blemishes; they should be vibrant orange for maximum sweetness.
- Heavy Cream: Opt for full-fat cream for that luxurious texture; it makes all the difference in richness.
- Sage Leaves: Fresh sage is key here; its earthy aroma pairs perfectly with sweet potatoes.
- Garlic Cloves: Fresh garlic adds depth; don’t skimp on this magical ingredient!
- Parmesan Cheese: Grate your own for better flavor; it melts beautifully and adds a nutty finish.
- Butter: Use unsalted butter to control the saltiness, enhancing the overall taste of the gratin.
- Salt and Pepper: Essential seasonings that bring out all the flavors of the ingredients.
The full ingredients list, including measurements, is provided in the recipe card directly below.

How to Make Sweet Potato Gratin with Cream and Sage
Preheat Your Oven: Begin by preheating your oven to 375°F (190°C). This ensures your gratin bakes evenly and becomes golden brown and bubbly.
Prepare the Baking Dish: Grease a baking dish with butter or cooking spray. It helps prevent sticking while adding a hint of flavor.
Slice Sweet Potatoes Thinly: Using a sharp knife or mandoline, slice the sweet potatoes into thin rounds—about 1/8 inch thick. Aim for uniform slices for even cooking.
Sauté Garlic and Sage: In a small pan over medium heat, melt some butter and sauté minced garlic until fragrant—about 1-2 minutes—and add chopped fresh sage just until it wilts.
Layer Your Ingredients: In your prepared baking dish, layer half of the sweet potato slices on the bottom. Pour half of the cream mixture over them before repeating with remaining potatoes and cream.
Bake Until Golden Brown: Cover your dish with foil and bake for about 45 minutes. Remove foil during the last 15 minutes to let it develop that gorgeous golden crust.
This Sweet Potato Gratin with Cream and Sage is not just another side dish; it’s an experience wrapped up in comforting flavors that will leave everyone reaching for seconds (and maybe thirds). As it bakes, let those layers meld together like old friends catching up after years apart—creamy, savory bliss awaits you!
Now gather around that dining table; it’s time to enjoy!
Content: Choose firm, fresh sweet potatoes for the best texture and flavor in your gratin. I learned this the hard way when I used soft ones, resulting in a mushy dish that had me questioning my culinary skills.
Use fresh sage leaves instead of dried for a vibrant aroma. Fresh herbs can elevate your dish, and I still remember the first time I added them to my cooking; it transformed my kitchen into an herb garden.
You Must Know
- Allow the gratin to rest after baking for optimal flavor and texture.
- Patience is key here; I once dove in too soon and ended up with a soupy mess.
Perfecting the Cooking Process
Start by preheating your oven to 375°F (190°C) while prepping your ingredients. Slice the sweet potatoes thinly, then layer them with cream and sage in a baking dish. Bake until golden brown and bubbly for about 40-45 minutes.
Add Your Touch
Feel free to mix in other vegetables like leeks or kale for extra flavor. Adding cheese can also enhance creaminess; Gruyère or cheddar work beautifully, making the dish even more indulgent.
Storing & Reheating
Store any leftovers in an airtight container in the fridge for up to four days. Reheat in the oven at 350°F (175°C) until warmed through; this keeps that delicious crust intact.
Chef's Helpful Tips
- To achieve perfect layers, slice your sweet potatoes uniformly for even cooking.
- Experiment with different cheeses like goat cheese for added tanginess.
- Always taste as you go; seasoning can make or break your gratin!
I once made this Sweet Potato Gratin with Cream and Sage for a family gathering, and it was gone before I could even grab a second helping! The compliments kept coming all evening.
FAQ
Can I use other types of potatoes?
Yes, Yukon Gold or russet potatoes can work well too if you prefer them.
How do I know when my gratin is done?
Your gratin should be golden brown on top and bubbly around the edges.
Can I prepare this dish ahead of time?
Absolutely! Assemble it a day ahead, refrigerate, then bake when ready to serve.
Sweet Potato Gratin with Cream and Sage
Sweet Potato Gratin with Cream and Sage is the ultimate comfort food, perfect for cozy dinners or special gatherings. This rich and creamy dish features layers of tender sweet potatoes infused with aromatic sage, all baked to a golden perfection. With its inviting flavors and beautiful presentation, this gratin will not only warm your heart but also impress your guests.
- Prep Time: 20 minutes
- Cook Time: 45 minutes
- Total Time: 1 hour 5 minutes
- Yield: Serves 8
- Category: Side Dish
- Method: Baking
- Cuisine: American
Ingredients
- 2 lbs sweet potatoes, peeled and thinly sliced
- 1 cup heavy cream
- 10 fresh sage leaves, chopped
- 3 garlic cloves, minced
- 1 cup grated Parmesan cheese
- 2 tbsp unsalted butter
- Salt and pepper to taste
Instructions
- Preheat your oven to 375°F (190°C) and grease a baking dish with butter.
- In a small pan, melt butter over medium heat and sauté garlic until fragrant (1-2 minutes). Add sage leaves until wilted.
- In the baking dish, layer half of the sweet potato slices, pour half of the cream mixture over them, then repeat with remaining potatoes and cream.
- Bake covered with foil for 45 minutes; uncover during the last 15 minutes to achieve a golden crust.
Nutrition
- Serving Size: 1 cup (215g)
- Calories: 320
- Sugar: 6g
- Sodium: 330mg
- Fat: 18g
- Saturated Fat: 10g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 35g
- Fiber: 5g
- Protein: 6g
- Cholesterol: 40mg
Keywords: For added flavor, consider mixing in vegetables like leeks or kale. Experiment with different cheeses such as Gruyère or cheddar for a twist.







