Flaky Potato & Cheese Tart

Indulge in the irresistible flavors of a homemade **Savory Puff Pastry Potato Tart**, a culinary masterpiece that promises crispy, flaky layers encasing a rich and creamy filling. This delightful tart brings together the salty notes of succulent **prosciutto cotto** (Italian cooked ham), the luscious melt of authentic **Fontina cheese**, and tender, perfectly seasoned potatoes. It’s a dish that’s surprisingly easy to prepare, incredibly filling, and utterly satisfying, making it an ideal choice for a casual lunch, a hearty dinner, or a show-stopping antipasto at your next gathering. Whether you’re a seasoned home cook or new to baking, this recipe is designed for effortless success, offering maximum flavor with minimal fuss.

Why You’ll Love This Savory Potato Tart

Prepare to be enchanted by this cheesy, comforting sensation! This puff pastry potato tart is more than just a meal; it’s an experience waiting to be shared. Its broad appeal lies in its simplicity and remarkable versatility, making it a fantastic addition to various occasions throughout the year. Imagine serving perfectly portioned slices to guests at an aperitivo, accompanied by refreshing drinks and other delightful nibbles, instantly elevating your entertaining game. Alternatively, transform it into a light yet satisfying lunch that wards off hunger, or a comforting weeknight dinner that the whole family will adore. We embrace the convenience of store-bought puff pastry, ensuring a quick and easy start, while the classic Italian combination of savory prosciutto cotto and incredibly melty Fontina cheese creates a flavor profile that’s both authentic and universally loved. We’ve even experimented with both waxy and floury potatoes, confirming that whatever variety you have on hand will work beautifully to achieve a delectable result, ensuring a perfect tart every time.

Key Ingredients for the Perfect Puff Pastry Tart

Crafting this incredible potato tart begins with selecting quality ingredients. Each component plays a vital role in achieving the perfect balance of texture and flavor, guaranteeing a delicious outcome.

Ingredient Notes and Smart Substitutions

• Puff Pastry: The flaky, buttery foundation of our tart! We highly recommend using a good quality, ready-rolled rectangular sheet of puff pastry for ultimate convenience. This saves significant time and effort without compromising on the desired crisp, flaky texture that makes this tart so irresistible. If you opt for a block of puff pastry, simply roll it out evenly to approximately 4mm (just over 1/8 inch) thickness. A typical sheet size of about 30x20cm (8×11.5 inches) works perfectly for this recipe, ensuring enough surface area for all the delicious fillings.
• Prosciutto Cotto (Italian Cooked Ham): This Italian delicacy offers a mild, slightly sweet, and incredibly tender flavor that pairs wonderfully with the cheese and potatoes. Prosciutto cotto is known for its delicate texture and gentle saltiness, enhancing the overall richness of the tart. While prosciutto cotto is ideal, feel free to use any good quality cooked ham that you enjoy and prefer. Alternatives like thinly sliced honey ham, Black Forest ham, or even smoked turkey breast can be used in a pinch, though they will subtly alter the flavor profile of the final dish.
• Fontina Cheese: A true star in Italian cuisine, Fontina is celebrated for its exceptional melting properties and rich, nutty, and slightly earthy flavor. It melts beautifully, creating a wonderfully oozy, creamy layer that binds the tart together, adding a luxurious texture. If authentic Fontina is unavailable, excellent substitutes include Gruyere (a personal favorite for its similar melting quality and complex flavor), Comté, or even a good quality sharp cheddar. The key is to choose a semi-hard cheese that melts well and offers a robust flavor when heated.
• Potatoes: The hearty backbone of our tart! We’ve successfully tested this recipe with both waxy and floury potato varieties, confirming that both yield delicious results. Waxy potatoes, such as Yukon Gold or red potatoes, tend to hold their shape better, offering a firmer bite. Floury potatoes, like Russets or Maris Pipers (common in the UK), will offer a softer, more pillowy texture. Recently, we’ve favored Maris Piper potatoes, which are quite similar to Russet potatoes found in the US, providing a lovely balance of texture and flavor. Feel free to use any firm potato you have on hand.
• Parmigiano Reggiano: This aged Italian hard cheese is more than just a garnish; it’s a critical flavor enhancer. Finely grated and tossed with the potatoes, it adds an incredible depth of savory, umami flavor, contributing to a delightful, slightly crispy crust when baked. If authentic Parmigiano Reggiano is hard to find, Pecorino Romano makes a fantastic, saltier substitute, or a high-quality grated Parmesan cheese can also work.
• Olive Oil & Egg: A drizzle of good quality extra virgin olive oil enhances the potato’s flavor and texture, helping them crisp up slightly. A beaten egg wash, brushed generously over the puff pastry edges, is essential for achieving that irresistible golden-brown hue, shine, and extra-crispy finish that makes this tart visually stunning and texturally perfect.

Step-by-Step Guide to Crafting Your Perfect Potato Tart

Follow these detailed steps carefully, accompanied by our visual guide (photos referenced below), to ensure your savory tart turns out perfectly golden and delicious. For complete measurements and additional top tips, refer to the full recipe section below.

1. Prepare the Potatoes: Begin by thoroughly washing and peeling your potatoes. Cut them into small, uniform cubes, roughly 1cm (about 0.4 inches) in size. Uniformity is key for even cooking. Bring a large pot of water to a rolling boil and season it generously with salt. Once boiling, add the cubed potatoes and par-boil them for exactly 10 minutes. This crucial step softens the potatoes just enough so they cook through fully in the oven without making the tart soggy. After 10 minutes, drain the potatoes thoroughly in a colander, shaking off all excess water to ensure a crisp crust. (See photos 1-3 in visual guide).

2. Prepare the Pastry Base: Lay your ready-rolled puff pastry sheet onto a large baking tray that has been lined with parchment paper. Using a fork, carefully prick a distinct border around the pastry, approximately 1 inch wide. Then, randomly prick the inside base of the pastry a few more times. This helps to prevent the center from puffing up excessively during baking, ensuring a flat and stable bed for your delicious fillings. Next, arrange slices of prosciutto cotto evenly over the entire inside of the pastry, making sure to leave the pricked border completely clear. We typically find that about 4 slices are sufficient to create a flavorful and even layer. Finally, generously top the ham layer with grated Fontina cheese, spreading it out evenly. (See photos 4-6 in visual guide).
3. Season and Layer the Potatoes: Transfer the drained, par-boiled potatoes to a large mixing bowl. Add a generous pinch of salt, a good drizzle of extra virgin olive oil, and the finely grated Parmigiano Reggiano cheese. Toss everything together gently until the potatoes are evenly coated and seasoned. This step is vital for infusing flavor directly into the potatoes. Once seasoned, carefully layer the potatoes over the ham and Fontina cheese on the puff pastry base, spreading them out evenly to create a beautiful, textured topping. (See photo 7 in visual guide).

4. Brush and Bake to Golden Perfection: Gently fold the edges of the puff pastry border upwards and delicately pinch them into place, creating a rustic, galette-like crust. This not only adds to the aesthetic appeal but also helps to contain the savory filling. Whisk an egg and then generously brush the folded pastry edges with the beaten egg wash. This vital step will give your tart a beautiful golden-brown, shiny, and extra-crispy crust that is utterly inviting. Bake the tart in a preheated oven at 180°C/350°F for 35-40 minutes, or until the pastry is gloriously golden brown and visibly puffed, and the potatoes are fork-tender and fully cooked through. Once baked, carefully remove the tart from the oven and let it rest for a minimum of 5 minutes before slicing and serving. This short resting period is crucial as it allows the cheese to set slightly, making it much easier to cut and serve neat, perfect slices without the filling spilling out.

Tips for Success: Achieve the Perfect Savory Tart

Even though this recipe is straightforward, a few key tips can elevate your tart from delicious to truly exceptional:

• Consistent Potato Cubes: Ensure your potatoes are cut into uniform 1cm (0.4-inch) cubes. This guarantees they cook evenly during both the par-boiling and baking stages, preventing any pieces from being undercooked or turning to mush.
• Avoid Over-Parboiling: The goal of par-boiling is to soften the potatoes just enough to ensure they cook through in the oven, not to fully cook them. Ten minutes is usually the sweet spot; over-boiled potatoes can become too soft and make your tart soggy.
• Thoroughly Drain Potatoes: After par-boiling, it’s absolutely essential to drain the potatoes very well. Shake the colander vigorously to remove all excess moisture. Waterlogged potatoes are the enemy of a crispy crust!
• Work with Cold Puff Pastry: Always handle puff pastry when it’s still cold from the refrigerator. If it gets too warm, the butter will melt, making the dough sticky and difficult to work with, and it won’t puff up as effectively during baking.
• Preheat Your Oven Accurately: Always ensure your oven is fully preheated to the specified temperature before placing the tart inside. A hot oven is critical for the puff pastry to rise quickly and achieve its signature light, flaky texture.
• Rest Before Slicing: Allowing the tart to rest for 5 minutes after baking allows the hot cheese and fillings to cool and firm up slightly. This makes it significantly easier to cut clean, appealing slices without the filling oozing out, ensuring a beautiful presentation.

Delicious Variations to Try

This savory tart is wonderfully versatile, inviting you to experiment with different flavors and ingredients to suit your taste or what you have on hand. Don’t be afraid to get creative!

• Herby Potatoes: Elevate the potato layer by tossing the par-boiled potatoes with finely chopped fresh woody herbs such as fragrant rosemary, earthy thyme, or a blend of both. Their aromatic notes beautifully complement the richness of the cheese and ham.
• Breadcrumb Crunch: For an extra layer of delightful texture, consider tossing the potatoes in a few tablespoons of panko breadcrumbs along with the Parmigiano Reggiano. This creates a wonderful, subtle crunch on top of the tart, adding another dimension to each bite.
• Ham Alternatives: While prosciutto cotto is a classic choice, you can easily explore other cured meats. Prosciutto crudo (dry-cured ham) or Parma ham offers a saltier, more intense flavor. For a vegetarian option, consider replacing the ham with thinly sliced roasted vegetables like zucchini, bell peppers, or caramelized onions, creating a delicious meat-free version.
• Spicy Kick: If you enjoy a bit of heat, a pinch of red pepper flakes sprinkled over the Fontina cheese layer before adding the potatoes can introduce a lovely warmth and subtle spicy kick to the tart.
• Different Cheeses: Beyond Fontina, feel free to experiment with a mix of cheeses. Try combining provolone and mozzarella for a milder, stretchier melt, or add a touch of smoked scamorza for a deeper, more complex smoky flavor. A blend of a good melting cheese and a harder, flavorful cheese often works wonders.

Make Ahead & Storage Tips

Planning ahead makes this delicious tart even easier to enjoy:

• Preparing in Advance: This savory tart is perfect for meal prep or entertaining. You can easily assemble the entire tart up to a day in advance. Simply follow all the assembly steps, laying out the pastry and adding the fillings, but *do not* brush the pastry edges with the beaten egg wash yet. Cover the unbaked tart loosely with plastic wrap and store it carefully in the refrigerator. About 30 minutes before you plan to bake, remove it from the fridge to allow it to come closer to room temperature, then brush with the beaten egg and bake as directed.
• Leftovers: Any leftover slices of this delicious potato tart will keep beautifully for up to 3 days when stored in an airtight container in the refrigerator. To reheat, place slices on a baking sheet and warm gently in a preheated oven (around 160°C/325°F) or a toaster oven until heated through and the pastry regains its crispness. Avoid microwave reheating, as it can make the pastry soft.

Potato Tart with Fontina and Ham Recipe

A crispy and flaky puff pastry tart with prosciutto cotto (Italian ham), oozy fontina cheese and potatoes. This tart is really easy to make, filling, satisfying and unbelievably delicious. Perfect for lunch, dinner or an antipasto.

Equipment

• 15×10 inch Baking tray
• Baking parchment

Ingredients

• 680 g (1.5 lbs) potatoes (4 medium sized)
• 1 sheet ready-rolled puff pastry (320g/11 oz)
• 4 slices prosciutto cotto (Italian ham)
• 160 g (2.5 cups) Fontina cheese, grated
• 30 g (1/2 cup) Parmigiano Reggiano, finely grated
• 1.5 tbsp olive oil
• 1 beaten egg, for brushing
• Salt
• Olive oil (for potatoes)

Instructions

1. Bring a large pot of water to a boil and salt it well. Preheat the oven to 180°C/350°F and line a large baking tray with parchment paper.
2. Wash and peel the potatoes then cut them into small cubes, about 1cm in size. Par-boil the potatoes in the boiling water for 10 minutes, then drain them thoroughly in a colander.
3. Lay the puff pastry sheet on your prepared baking tray. Using a fork, prick a 1-inch border around the pastry, then prick the inside of the base a few times.
4. Leaving the border free, lay slices of ham all over the base (approximately 4 slices should be enough). Then cover the ham with grated Fontina cheese.
5. Put the drained potatoes in a large mixing bowl and add a good pinch of salt, a drizzle of olive oil, and the grated Parmigiano Reggiano cheese. Toss gently to combine.
6. Lay the seasoned potatoes all over the ham and cheese layer. Fold the edges of the pastry up and crimp it slightly to create a rustic crust (similar to a galette or crostata, see photos for reference). Then brush the pastry edges with the beaten egg.
7. Bake the tart in the oven for 35-40 minutes until the pastry is golden brown and puffed, and the potatoes are cooked through. Let it sit for 5 minutes before cutting and serving.

Notes

• Puff pastry: If you buy yours in a block, roll it out to about 4mm (just over 1/8 inch) thick. The sheet we use is approximately 30x20cm (8×11.5 inches).
• Preparing in advance: You can prep and assemble the tart in advance and store it in the fridge (do not brush the pastry with egg wash yet). Remove it from the fridge 30 minutes before baking, brush with egg, and then bake as directed.
• Leftovers: Leftovers will keep well for up to 3 days in the fridge in an airtight container.

Helpful Info for All Recipes

• I always use extra virgin olive oil in all of my recipes unless stated otherwise.
• When I use canned or jarred tomatoes of any kind, I always use Cirio or Mutti brands for the best results and flavor.
• All vegetables are medium-sized unless stated otherwise.
• All recipes are tested and developed using a fan (convection) oven.
• Find out more about how nutrition is calculated.
• Check out our must-have Italian Pantry Staples.
• You can also find all our Essential Kitchen Tools for Italian Cooking.

Nutrition

Nutrition information is automatically calculated, so should only be used as an approximation.

If you’ve tried this delightful **Savory Puff Pastry Potato Tart** or any other recipe from our blog, we’d absolutely love to hear from you! Don’t forget to rate the recipe and share your experience and any creative variations you tried in the comments section below. Your feedback helps us grow and create even more delicious content for you. You can also connect with us and find daily inspiration by following us on Facebook, Instagram, and Pinterest. For weekly recipe inspiration and exclusive tips delivered straight to your inbox, be sure to sign up for our newsletter today!