Sweet Potato Kale Gratin is a must-try comfort dish! This delightful recipe brings together the sweetness of tender sweet potatoes and the robust flavor of kale, perfect for cozy family dinners or special gatherings. With layers of creamy goodness and melted cheese, this gratin not only satisfies your taste buds but also provides a nutritious meal option. It’s an easy-to-make dish that is sure to impress everyone at the table.

Jump to:
- Why You’ll Love This Recipe
- Tools and Preparation
- Essential Tools and Equipment
- Importance of Each Tool
- Ingredients
- For the Gratin
- How to Make Sweet Potato Kale Gratin is a must-try comfort dish!
- Step 1: Preheat the Oven
- Step 2: Prepare Sweet Potatoes
- Step 3: Sauté Kale
- Step 4: Grease Baking Dish
- Step 5: Layer Ingredients
- Step 6: Bake Covered
- Step 7: Bake Uncovered
- Step 8: Cool & Serve
- How to Serve Sweet Potato Kale Gratin is a must-try comfort dish!
- Pair with a Fresh Salad
- Serve with Crusty Bread
- Add a Protein
- Offer a Flavorful Sauce
- Garnish with Fresh Herbs
- Enjoy with Light White Wine
- How to Perfect Sweet Potato Kale Gratin is a must-try comfort dish!
- Best Side Dishes for Sweet Potato Kale Gratin is a must-try comfort dish!
- Common Mistakes to Avoid
- Storage & Reheating Instructions
- Refrigerator Storage
- Freezing Sweet Potato Kale Gratin is a must-try comfort dish!
- Reheating Sweet Potato Kale Gratin is a must-try comfort dish!
- Frequently Asked Questions
- What makes Sweet Potato Kale Gratin is a must-try comfort dish unique?
- Can I use other cheeses besides Gruyère?
- How can I customize my Sweet Potato Kale Gratin?
- Is this recipe suitable for meal prep?
- Final Thoughts
- 📖 Recipe Card
Why You’ll Love This Recipe
- Comforting Flavor: The combination of sweet potatoes and kale creates a rich and satisfying dish that warms the soul.
- Easy Preparation: With simple steps, you can whip up this delicious gratin in no time, making it an ideal recipe for busy weeknights.
- Versatile Dish: This Sweet Potato Kale Gratin can be served as a main course or as a side, fitting perfectly into any meal.
- Healthy Ingredients: Packed with vitamins and nutrients from sweet potatoes and kale, this dish supports a balanced diet while being incredibly tasty.
- Family-Friendly: Kids and adults alike will enjoy this comforting dish, making it a great choice for family gatherings.
Tools and Preparation
Before diving into the cooking process, gather your tools to make preparation seamless. Having everything ready will help you create the Sweet Potato Kale Gratin effortlessly.
Essential Tools and Equipment
- Baking dish (9×13 inch)
- Skillet
- Knife
- Cutting board
- Measuring cups
- Grater
Importance of Each Tool
- Baking dish: A good-sized baking dish ensures even cooking and allows for proper layering of ingredients.
- Skillet: Perfect for sautéing kale quickly while retaining its vibrant color and nutrients.
- Knife: A sharp knife makes slicing sweet potatoes easier and safer.
- Grater: Grating cheese saves time and helps it melt evenly over the gratin.

Ingredients
Sweet Potato Kale Gratin is a delicious and comforting dish that combines the natural sweetness of sweet potatoes with the earthy flavor of kale, featuring layers of thinly sliced sweet potatoes, sautéed kale, and a creamy mixture topped with melted Gruyère cheese.
For the Gratin
- 2 large sweet potatoes (about 1.5 lbs or 680 g), peeled and thinly sliced
- 4 cups kale, stems removed and chopped (about 1 bunch)
- 1 cup heavy cream (240 ml)
- 3 cloves garlic, minced
- 1 cup Gruyère cheese, grated (about 100 g)
- 1/4 teaspoon ground nutmeg
- Salt, to taste
- Black pepper, to taste
- 1 tablespoon olive oil (for greasing the baking dish)
How to Make Sweet Potato Kale Gratin is a must-try comfort dish!
Creating this delicious Sweet Potato Kale Gratin is simple. Follow these steps carefully to ensure a perfect outcome.
Step 1: Preheat the Oven
Preheat your oven to 375°F (190°C). This ensures that your gratin cooks evenly.
Step 2: Prepare Sweet Potatoes
- Peel the sweet potatoes.
- Thinly slice them using a knife or mandoline for even cooking.
Step 3: Sauté Kale
- Wash and chop the kale into small pieces.
- Heat a skillet over medium heat; add a splash of water or olive oil.
- Sauté the chopped kale for 5-7 minutes until wilted but still vibrant green.
Step 4: Grease Baking Dish
Grease a 9×13 inch baking dish with olive oil to prevent sticking.
Step 5: Layer Ingredients
- Begin layering by placing a layer of sweet potato slices in the baking dish.
- Add sautéed kale on top followed by some heavy cream mixture.
- Sprinkle grated Gruyère cheese over each layer.
- Repeat until all ingredients are used up.
Step 6: Bake Covered
Cover the baking dish with aluminum foil and bake in the preheated oven for 30 minutes.
Step 7: Bake Uncovered
Remove the foil after 30 minutes, then bake for an additional 20-25 minutes until golden brown on top and tender throughout.
Step 8: Cool & Serve
Let your Sweet Potato Kale Gratin cool for about 10 minutes before serving, allowing flavors to settle beautifully!
How to Serve Sweet Potato Kale Gratin is a must-try comfort dish!
Sweet Potato Kale Gratin is a must-try comfort dish that is perfect for cozy dinners or gatherings. To enhance your dining experience, consider these serving suggestions.
Pair with a Fresh Salad
- A light mixed greens salad with a tangy vinaigrette complements the rich flavors of the gratin.
Serve with Crusty Bread
- Warm, crusty bread or a baguette provides a delightful contrast and is perfect for soaking up the creamy sauce.
Add a Protein
- Grilled chicken or roasted turkey can turn this dish into a more substantial meal, providing additional protein.
Offer a Flavorful Sauce
- A drizzle of balsamic reduction adds an extra layer of flavor that pairs wonderfully with the sweetness of the sweet potatoes.
Garnish with Fresh Herbs
- Chopped parsley or chives sprinkled on top can brighten the dish and add a fresh touch.
Enjoy with Light White Wine
- For those who enjoy wine, a glass of light white wine enhances the overall flavor profile of your meal.
How to Perfect Sweet Potato Kale Gratin is a must-try comfort dish!
To ensure your Sweet Potato Kale Gratin turns out perfectly every time, follow these helpful tips.
- Use Uniform Slices: Cutting sweet potatoes into even slices ensures they cook evenly, providing the best texture throughout the dish.
- Sauté Kale Thoroughly: Make sure to sauté the kale until it’s fully wilted to avoid any bitterness in the final dish.
- Layer Wisely: Alternate layers of sweet potatoes and kale for balanced flavor distribution, ensuring every bite has a mix of ingredients.
- Check for Doneness: Use a fork to test if sweet potatoes are tender before removing from the oven; this will ensure you achieve that desired melt-in-your-mouth texture.
- Let It Rest: Allowing the gratin to cool for about 10 minutes before serving helps it set up nicely, making it easier to cut and serve.
Best Side Dishes for Sweet Potato Kale Gratin is a must-try comfort dish!
When enjoying Sweet Potato Kale Gratin, pairing it with complementary side dishes can elevate your meal. Here are some great options:
- Roasted Vegetables
A mix of seasonal vegetables like carrots and Brussels sprouts adds color and nutrition alongside your gratin. - Quinoa Salad
A refreshing quinoa salad with cucumbers and tomatoes offers a light texture contrast and adds wholesome grains to your plate. - Garlic Green Beans
Sautéed green beans with garlic provide crunch and flavor, enhancing the overall dining experience with their freshness. - Herbed Couscous
Fluffy couscous seasoned with herbs makes for an easy-to-prepare side that complements the rich gratin beautifully. - Creamy Mushroom Risotto
The creaminess of risotto pairs well with Sweet Potato Kale Gratin, creating a luxurious meal experience. - Lemon Zucchini Noodles
Light zucchini noodles tossed in lemon juice create a refreshing side that balances out the richness of the gratin. - Spinach Salad
A simple spinach salad with lemon dressing provides an easy way to add greens and acidity to your meal. - Mediterranean Chickpea Salad
Packed with protein and flavor, this salad brings brightness and zest that works well next to your comforting gratin.
Common Mistakes to Avoid
Preparing the perfect Sweet Potato Kale Gratin is easier when you know what to watch out for. Here are some common mistakes to avoid:
- Skipping the seasoning: Failing to season your layers can lead to a bland dish. Make sure to add salt and pepper as you layer.
- Cutting uneven slices: If the sweet potatoes are not sliced evenly, they may cook at different rates. Use a mandoline for uniform slices.
- Not pre-cooking the kale: Adding raw kale can result in tough leaves. Sauté the kale until wilted for better texture.
- Overcrowding the baking dish: Packing too many ingredients can prevent even cooking. Layer ingredients carefully without overcrowding.
- Ignoring resting time: Cutting into the gratin too soon can make it fall apart. Allow it to sit for 10 minutes after baking.

Storage & Reheating Instructions
Refrigerator Storage
- Store in an airtight container.
- Keep in the refrigerator for up to 3 days.
Freezing Sweet Potato Kale Gratin is a must-try comfort dish!
- Use a freezer-safe container or wrap tightly in plastic wrap and aluminum foil.
- It can be frozen for up to 2 months.
Reheating Sweet Potato Kale Gratin is a must-try comfort dish!
- Oven: Preheat to 350°F (175°C) and cover with foil; heat for about 20 minutes.
- Microwave: Place in a microwave-safe dish; heat on medium until warm, about 2-3 minutes.
- Stovetop: Reheat in a skillet over low heat with a splash of cream or broth, stirring occasionally until warmed through.
Frequently Asked Questions
Here are some common questions about making Sweet Potato Kale Gratin.
What makes Sweet Potato Kale Gratin is a must-try comfort dish unique?
Sweet Potato Kale Gratin offers a delightful combination of flavors and textures, blending sweet potatoes’ natural sweetness with hearty kale.
Can I use other cheeses besides Gruyère?
Yes! Feel free to experiment with cheeses like cheddar or mozzarella for different flavor profiles.
How can I customize my Sweet Potato Kale Gratin?
You can add vegetables like zucchini or carrots, switch up the greens, or even use different herbs and spices to suit your taste.
Is this recipe suitable for meal prep?
Absolutely! This dish stores well and makes for an excellent meal prep option that you can enjoy throughout the week.
Final Thoughts
Sweet Potato Kale Gratin is not just a delicious comfort dish; it’s also versatile and easy to customize. You can adjust ingredients based on your preferences or what’s available in your pantry. Give it a try and experience its comforting flavors!
Did You Enjoy Making This Recipe? Please rate this recipe with ⭐⭐⭐⭐⭐ or leave a comment.
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Sweet Potato Kale Gratin
- Total Time: 1 hour 15 minutes
- Yield: Serves approximately 6
Description
Sweet Potato Kale Gratin is a must-try comfort dish that combines the natural sweetness of tender sweet potatoes with the earthy flavor of kale. This creamy, layered gratin is not only delicious but also packed with nutrients, making it a perfect choice for family dinners or special gatherings. The rich textures and flavors meld beautifully, creating a satisfying meal that appeals to both kids and adults. Easy to prepare, this dish invites creativity with its customizable layers and toppings. Whether served as a main course or a side, Sweet Potato Kale Gratin promises to impress everyone at your table.
Ingredients
- 2 large sweet potatoes (about 1.5 lbs), peeled and thinly sliced
- 4 cups kale, stems removed and chopped
- 1 cup heavy cream
- 3 cloves garlic, minced
- 1 cup grated Gruyère cheese
- Ground nutmeg, salt, and black pepper
Instructions
- Preheat the oven to 375°F (190°C).
- Peel and thinly slice sweet potatoes.
- Sauté chopped kale in a skillet over medium heat until wilted.
- Grease a baking dish with olive oil.
- Layer sweet potato slices, sautéed kale, heavy cream mixture, and grated Gruyère cheese in the dish.
- Cover with foil and bake for 30 minutes; then uncover and bake for an additional 20-25 minutes until golden brown.
- Allow to cool for 10 minutes before serving.
- Prep Time: 20 minutes
- Cook Time: 55 minutes
- Category: Main
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 290
- Sugar: 5g
- Sodium: 390mg
- Fat: 17g
- Saturated Fat: 10g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 28g
- Fiber: 5g
- Protein: 7g
- Cholesterol: 45mg





