Pesto Bucatini Pie.

There’s comfort food, and then there’s something that feels like a warm hug after a long day: a golden, cheesy pasta pie shot through with bright basil and nutty cheese. This Pesto Bucatini Pie is exactly that—a lush, sliceable pasta bake that’s equal parts rustic and elegant. It’s made with bucatini, a long hollow pasta that traps sauce in its center, turning every bite into a burst of creamy pesto and cheese. Think of it as a cross between a classic baked ziti and a savory breakfast strata—only richer, greener, and utterly swoonworthy.

Before we dive into the recipe, a few notes on why this works so well. Bucatini holds sauce differently than other long pastas; the hollow core soaks up the custard-like mixture of milk and eggs, which sets into a tender, sliceable interior. Parmesan and provolone build salty, melty layers while mozzarella brings that irresistible stretch. Pesto ties everything together with herbaceous intensity, and a final flourish of fresh basil keeps it bright.

Why you’ll love this recipe

• Fast to prepare but impressive to serve—perfect for weeknight dinners or a weekend gathering.
• Slices cleanly thanks to the egg-and-milk custard, making it great for plated portions.
• Flexible: leftovers reheat beautifully and make fabulous lunches.

Ingredients

Serves 6–8

• 1 pound bucatini pasta
• 1 ½ cups whole milk
• 1 cup grated Parmigiano-Reggiano cheese, plus extra for sprinkling
• 3 large eggs, lightly beaten
• 2 garlic cloves, minced
• 1/2 teaspoon kosher salt
• 1 pinch fresh ground black pepper
• 8 ounces provolone cheese, freshly grated
• 4 ounces mozzarella cheese, freshly grated
• ¾ cup pesto, plus more for topping
• Fresh basil, for serving

Equipment

• Large pot for boiling pasta
• Large mixing bowl
• 9-inch or 10-inch springform pan (or similarly sized baking dish)
• Whisk and spatula
• Oven preheated to 350°F (175°C)

Make-ahead tip

Everything can be assembled up to a day ahead and refrigerated unbaked. Add a few extra minutes of baking time if the pie goes into the oven straight from the fridge.

Step-by-step directions

Follow these clear steps to create a beautifully set Pesto Bucatini Pie. The method keeps the order of operations intuitive so the custard sets properly and the cheeses melt evenly.

1. Preheat the oven to 350°F (175°C). Prepare a springform pan or a similar 9- to 10-inch baking dish by lightly greasing the bottom and sides so the pie releases cleanly after baking.
2. Bring a large pot of salted water to a boil. Add 1 pound bucatini pasta and cook until it is just al dente—firm but cooked through. Bucatini should retain a slight bite because it will bake again. Drain the pasta thoroughly and return it to the pot.
3. While the pasta cooks, whisk together the custard: in a large bowl, combine 1 ½ cups whole milk, 3 lightly beaten large eggs, and 1 cup grated Parmigiano-Reggiano cheese. Add 2 minced garlic cloves, 1/2 teaspoon kosher salt, and 1 pinch fresh ground black pepper. Whisk until the mixture is smooth and the eggs are fully incorporated.
4. Add the cheeses and pesto to the pasta: to the pot of drained bucatini, stir in 8 ounces freshly grated provolone and 4 ounces freshly grated mozzarella. Pour in ¾ cup pesto and toss everything together so the pasta is evenly coated.
5. Pour the custard into the pasta mixture: move the pesto-coated bucatini into the large bowl with the milk-and-egg mixture, or if you mixed the custard in the pot, simply pour the custard over the pasta. Use a spatula to mix thoroughly, ensuring every strand of bucatini is coated and the cheeses are evenly distributed.
6. Transfer to the prepared pan: spoon the combined pasta and custard into the greased springform pan. Press gently and smooth the top so the pie surface is even. Sprinkle extra grated Parmigiano-Reggiano over the top for a golden finish.
7. Bake until set: place the pan in the preheated oven and bake for about 35–45 minutes, or until the top is golden and the center is set. A knife inserted in the middle should come out mostly clean with just a hint of custard clinging to it—the pie will continue to firm slightly as it cools.
8. Rest before slicing: remove the Pesto Bucatini Pie from the oven and let it rest on a wire rack for at least 10–15 minutes. This pause allows the custard to finish setting so the slices hold their shape when removed from the pan.
9. Serve and garnish: release the springform pan rim, slice the pie like you would a quiche or frittata, and transfer pieces to plates. Dollop a little extra pesto on each slice if you like, and finish with torn fresh basil and an additional sprinkle of grated Parmigiano-Reggiano.

Serving suggestions

This Pesto Bucatini Pie feels right at home with a crisp green salad dressed simply with lemon and olive oil. A bowl of roasted cherry tomatoes or grilled vegetables makes for a colorful, seasonal plate. For a heartier meal, serve alongside roasted chicken or a tray of sautéed mushrooms.

Storing and reheating

• To store: Keep leftovers covered in the refrigerator for up to 3–4 days.
• To reheat: Warm individual slices in a 350°F (175°C) oven for 10–15 minutes or microwave briefly until heated through. If reheating in the oven, cover loosely with foil to prevent excessive browning.

Notes and variations

• Make it nut-free: If you prefer a pesto without nuts, use a nut-free pesto or blend extra basil and cheese with lemon and olive oil for a quick basil sauce.
• Extra-texture option: Fold in toasted pine nuts or slivered almonds for crunch, sprinkling them on top before baking.
• Cheese swaps: The balance of provolone, mozzarella, and Parmigiano-Reggiano is intentional for melt, stretch, and savory bite. If you need to substitute, keep the ratio of melting to aging cheeses similar.
• Greens: Fold in a couple of handfuls of baby spinach or arugula to the warm pasta before adding the custard for a green-veg boost.

Why this recipe works

The technique is the key. Cooking bucatini to just al dente prevents mushiness after baking. The milk-and-egg custard creates a creamy matrix that binds the pasta and melted cheese into firm slices, while the trio of cheeses delivers the perfect mix of salt, stretch, and deep savory flavor. Pesto cuts through the richness with bright basil, garlic, and olive oil notes, making every forkful balanced and deeply satisfying.

Final thoughts

Pesto Bucatini Pie is one of those deceptively simple dishes that tastes far more complicated than the effort it takes. It’s ideal for feeding a crowd, elegant enough for a dinner party, and forgiving enough to welcome quick swaps or ingredient adjustments. The combination of hollow bucatini, silky custard, and layers of cheese gives you a pasta pie that slices cleanly and looks stunning on the plate—garlanded with fresh basil and a drizzle of extra pesto. Make it once, and it will become a recipe you reach for again and again.

Enjoy your slice of savory comfort: serve warm, garnish with basil, and watch how quickly it disappears.