Creamy Pancetta and Porcini Potato Gratin
Creamy Pancetta and Porcini Potato Gratin is the ultimate comfort side dish. After making this many times, I’ve discovered the secret to the creamiest, most flavorful potato gratin. The crispy cheese topping and rich, creamy layers will make your family beg for seconds. It’s perfect for cozy winter nights and pairs beautifully with my Easy Crockpot Broccoli Cheddar Chicken and Rice Dinner. If you love recipes like this, you’ll also enjoy Easy Crockpot Broccoli Cheddar Chicken and Rice Dinner and Creamy Ají Amarillo Chicken with Easy Pan Sauce.
Why This Creamy Pancetta and Porcini Potato Gratin Is Pure Comfort
- The creamy, rich layers melt in your mouth.
- Pancetta and porcini mushrooms add a depth of flavor that's irresistible.
- It's easier to make than you think and impresses every time.
- Leftovers reheat perfectly, making it a great make-ahead side dish.
What You'll Need for Creamy Pancetta and Porcini Potato Gratin
Choosing the right ingredients makes a big difference, but this recipe is forgiving enough to work with what you have.
- 2 lbs russet potatoes
- 8 oz pancetta
- 1 oz dried porcini mushrooms
- 2 cups heavy cream
- 4 cloves garlic, minced
- 1 tsp salt
- 1/2 tsp black pepper
- 1/2 tsp thyme
- 1/2 tsp rosemary
- 2 cups grated Gruyère cheese
- Optional: Fresh parsley, chopped
📝 Ingredient Notes
- Potatoes: Yukon Gold or red potatoes can be used as well.
- Pancetta: Bacon can be substituted if needed.
🛒 Tools & Equipment I Recommend
- Mandoline Slicer — Ensures even, thin potato slices for perfect gratin layers. → See on Amazon
- High-quality Baking Dish — Distributes heat evenly for perfectly cooked gratin. → See on Amazon
How to Make Creamy Pancetta and Porcini Potato Gratin
- Prepare the potatoes: Thinly slice potatoes using a mandoline slicer. Soak sliced potatoes in cold water for 30 minutes to remove excess starch.
- Cook the pancetta: Dice pancetta and cook in a large skillet over medium heat until crispy. Remove from skillet and set aside, leaving the grease in the pan.
- Sauté the mushrooms: Add dried porcini mushrooms to the skillet with pancetta grease. Sauté until rehydrated and fragrant. Remove from skillet and set aside.
- Make the cream sauce: In the same skillet, melt 2 tbsp butter over medium heat. Add minced garlic and cook until fragrant. Stir in heavy cream, salt, pepper, thyme, and rosemary. Simmer for 5 minutes.
- Assemble the gratin: Preheat oven to 375°F (190°C). In a large baking dish, layer potatoes, pancetta, porcini mushrooms, and cream sauce. Repeat layers until all ingredients are used up. Top with grated Gruyère cheese.
- Bake the gratin: Bake in preheated oven for 45-55 minutes, or until potatoes are tender and cheese is golden and bubbly.
Cook's Tips for Perfect Creamy Pancetta and Porcini Potato Gratin
- : Use a mandoline slicer for even, thin potato slices that cook perfectly.
- Common mistake and fix: Don't overcook the gratin. Keep an eye on it to prevent the potatoes from becoming mushy.
- : For a richer flavor, use heavy cream instead of milk.
- : Make ahead and reheat in a 350°F (175°C) oven for 20-25 minutes.
Storing & Reheating Creamy Pancetta and Porcini Potato Gratin
Short-Term Storage
Store in an airtight container in the fridge. Store leftovers in an airtight container in the fridge for up to 5 days. Make-ahead tip: Assemble the gratin up to 24 hours ahead. Store in the fridge until ready to bake.
Freezing Creamy Pancetta and Porcini Potato Gratin
Freeze individual portions for up to 3 months. Thaw overnight in the fridge before reheating.
How to Reheat Without Drying It Out
Oven: Reheat in a 350°F (175°C) oven for 20-25 minutes. Microwave: Reheat in the microwave for 2-3 minutes, or until heated through.
Recipe Notes
- Chef tip: For a vegetarian version, omit the pancetta and use vegetable broth instead of chicken broth.
- Best substitution: Substitute the Gruyère cheese with Swiss or cheddar cheese if needed.
- Make-ahead: Assemble the gratin up to 24 hours ahead. Store in the fridge until ready to bake.
- Scaling: This recipe can be easily doubled or halved to serve more or fewer people.
- Troubleshooting: If the gratin is not cooking evenly, try covering it with foil for the first 20 minutes of baking, then removing the foil to allow the cheese to brown.
Want to level up this recipe?
High-quality Chef's Knife — Makes quick work of slicing potatoes and dicing pancetta for perfect, even pieces. → Check price on Amazon
Creamy Pancetta and Porcini Potato Gratin
Ingredients
Main Ingredients
- 2 lbs russet potatoes
- 8 oz pancetta
- 1 oz dried porcini mushrooms
- 2 cups heavy cream
Seasonings
- 4 cloves garlic, minced
- 1 tsp salt
- 1/2 tsp black pepper
- 1/2 tsp thyme
- 1/2 tsp rosemary
- 2 cups grated Gruyère cheese
Optional Toppings
- Fresh parsley, chopped
Instructions
- Prepare the potatoes: Thinly slice potatoes using a mandoline slicer. Soak sliced potatoes in cold water for 30 minutes to remove excess starch.
- Cook the pancetta: Dice pancetta and cook in a large skillet over medium heat until crispy. Remove from skillet and set aside, leaving the grease in the pan.
- Sauté the mushrooms: Add dried porcini mushrooms to the skillet with pancetta grease. Sauté until rehydrated and fragrant. Remove from skillet and set aside.
- Make the cream sauce: In the same skillet, melt 2 tbsp butter over medium heat. Add minced garlic and cook until fragrant. Stir in heavy cream, salt, pepper, thyme, and rosemary. Simmer for 5 minutes.
- Assemble the gratin: Preheat oven to 375°F (190°C). In a large baking dish, layer potatoes, pancetta, porcini mushrooms, and cream sauce. Repeat layers until all ingredients are used up. Top with grated Gruyère cheese.
- Bake the gratin: Bake in preheated oven for 45-55 minutes, or until potatoes are tender and cheese is golden and bubbly.
Notes
- Chef tip: For a vegetarian version, omit the pancetta and use vegetable broth instead of chicken broth.
- Best substitution: Substitute the Gruyère cheese with Swiss or cheddar cheese if needed.
- Make-ahead: Assemble the gratin up to 24 hours ahead. Store in the fridge until ready to bake.
- Scaling: This recipe can be easily doubled or halved to serve more or fewer people.
- Troubleshooting: If the gratin is not cooking evenly, try covering it with foil for the first 20 minutes of baking, then removing the foil to allow the cheese to brown.
Storage
- Fridge: Store leftovers in an airtight container in the fridge for up to 5 days.
- Freezer: Freeze individual portions for up to 3 months. Thaw overnight in the fridge before reheating.
- Oven reheat: Reheat in a 350°F (175°C) oven for 20-25 minutes.
- Microwave reheat: Reheat in the microwave for 2-3 minutes, or until heated through.
- Make ahead: Assemble the gratin up to 24 hours ahead. Store in the fridge until ready to bake.
Nutrition Per Serving
- Calories: 520
- Protein: 18g
- Fat: 35g
- Carbs: 40g
- Fiber: 4g
- Sugar: 4g
- Sodium: 860mg
- Cholesterol: 120mg
- Sat. Fat: 21g
Nutritional values are estimates only. Actual values may vary by brand and portion size.
Creamy Pancetta and Porcini Potato Gratin FAQs
Yes, you can assemble the gratin up to 24 hours ahead. Store in the fridge until ready to bake.
Overcooking can cause the gratin to become dry. Keep an eye on it and remove from the oven when the potatoes are tender and the cheese is golden and bubbly.
Yes, freeze individual portions for up to 3 months. Thaw overnight in the fridge before reheating.
While you can cook the potatoes in the air fryer, the entire gratin is best cooked in the oven for even cooking and a crispy cheese topping.
This creamy potato gratin pairs beautifully with my Easy Crockpot Broccoli Cheddar Chicken and Rice Dinner or Creamy Ají Amarillo Chicken with Easy Pan Sauce.
A Warm Final Note
I can’t wait for you to try Creamy Pancetta and Porcini Potato Gratin and see how effortlessly it comes together. When you make it, pop back here and leave a rating or share how it turned out — I love hearing from you!
