There are some dishes that feel like a warm kitchen hug on a busy weeknight, and then there are those that quietly steal the show when friends arrive. This Pesto Bucatini Pie. is both: the comfort of a baked pasta casserole and the bright, herb-forward lift of pesto. It’s rich but balanced, cheesy but fresh, and perfect for feeding a crowd or saving leftovers that taste even better the next day.

Think of it as a cross between a pasta bake and a quiche—bucatini strands hold sauce beautifully, the egg-and-cheese custard sets everything into a sliceable pie, and the trio of provolone, mozzarella, and Parmigiano-Reggiano gives lush, melty texture with a savory backbone. Whether you’re prepping a dinner party or just craving something indulgent that still feels kind to your palate, this recipe delivers.

Why this recipe works

This recipe nails a few things that matter: starch-to-sauce ratio, a custard binder that keeps slices intact, and multiple cheeses for depth. Bucatini’s hollow center traps pockets of pesto and creamy sauce, creating bursts of flavor. The eggs and milk form a gentle custard when baked, so you don’t get a loose noodle casserole but a structured pie with creaminess throughout. The Parmigiano-Reggiano adds a salty, nutty lift while provolone and mozzarella build melt and pull.

Ingredients

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
Colander
Large mixing bowl
Whisk or fork
9- or 10-inch pie dish or comparable baking dish
Oven preheated to 350°F (175°C)

Prep and timing

Active time: about 25 minutes. Total time: about 1 hour (including baking and brief cooling). This recipe serves 6 to 8, depending on portion size.

Step-by-step instructions

The following directions are rewritten into clear, actionable steps so the bake comes out perfectly every time. The ingredient list is your source of truth—quantities must match what’s listed above.

Preheat your oven to 350°F (175°C). Lightly grease a 9- or 10-inch pie dish or a similar-sized baking dish so the pie releases easily after baking.
Bring a large pot of salted water to a boil. Add the 1 pound bucatini pasta and cook until it is just shy of al dente according to the package instructions. You want the pasta slightly undercooked because it will finish cooking in the oven.
Reserve a small cup of the pasta cooking water, then drain the bucatini in a colander. Return the drained bucatini to the pot briefly to keep it from sticking while you prepare the custard.
In a large mixing bowl, whisk together 1 ½ cups whole milk and 3 large eggs until smooth and fully combined. Stir in 2 minced garlic cloves, 1/2 teaspoon kosher salt, and 1 pinch fresh ground black pepper. Mix well so the seasoning is distributed evenly through the custard.
Add 1 cup grated Parmigiano-Reggiano cheese to the milk-and-egg mixture and whisk until the cheese is incorporated. This will add savory depth and help the custard set with a rich flavor.
Stir ¾ cup pesto into the custard until combined. The pesto should be evenly dispersed so each bite has an herby, garlicky note. If the mixture seems too thick to coat the pasta evenly, add a tablespoon or two of the reserved pasta water to loosen it.
Add the drained bucatini to the bowl with the custard-and-pesto mixture. Use a large spoon or spatula to fold the pasta gently into the mixture until every strand is coated. Make sure the pasta is evenly mixed so the pie bakes uniformly.
Fold in the cheeses: add 8 ounces freshly grated provolone and 4 ounces freshly grated mozzarella to the pasta mixture. Toss thoroughly so the cheeses distribute throughout the bucatini. These cheeses will melt during baking and create that luxurious, gooey interior.
Transfer the cheese-and-pasta mixture into the prepared pie dish, spreading it evenly and packing it down gently so the pie holds together. Sprinkle a little extra Parmigiano-Reggiano over the top for a golden, savory crust.
Place the pie dish on a baking sheet to catch any drips, then bake in the preheated oven for 35 to 40 minutes, or until the custard is set, the top is golden, and the cheeses are bubbling. If the top is browning too quickly but the interior still seems loose, tent the dish with foil and continue baking until set.
Remove the pie from the oven and allow it to rest for 10 to 15 minutes. This rest time helps the custard firm so you can slice neat wedges.
Before serving, spoon additional pesto over the top as desired and sprinkle with more grated Parmigiano-Reggiano. Garnish with fresh basil leaves for color and a peppery, aromatic lift.
Slice into wedges and serve warm. Leftovers keep well refrigerated for up to 3 days and reheat gently in a 350°F oven until warmed through to maintain texture and avoid rubbery cheeses.

Troubleshooting and tips

If your custard seems too runny after baking: it may need a few extra minutes in the oven to set. Tent with foil if the top is browning too fast. If the pie feels dry, serve with a little extra pesto or a drizzle of olive oil.

Cheese choices: the recipe uses provolone, mozzarella, and Parmigiano-Reggiano. These provide balance—provolone for creaminess and bite, mozzarella for stretch, and Parmigiano-Reggiano for sharpness. Grate the cheeses fresh for the best melt and flavor.

Pesto notes: homemade pesto brightens the dish beautifully, but a high-quality store-bought pesto works fine. Taste the pesto before adding salt to the custard; many pestos already contain enough salt through the cheese and seasoning, so adjust the added kosher salt accordingly.

Serving suggestions

This Pesto Bucatini Pie. pairs well with a simple leafy salad—arugula dressed with lemon juice and olive oil is a fresh foil to the pie’s richness. A crisp white wine or a sparkling water with lemon also complements the herbaceous pesto and the cheese-forward profile. For a heartier meal, serve alongside roasted vegetables or blistered cherry tomatoes.

Make-ahead and storage

You can assemble the pie through step 9 and refrigerate it covered for up to 24 hours before baking. Bring it to room temperature for 20 to 30 minutes before placing it in a preheated oven to allow for even cooking. Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat slices in a 350°F oven for 10–15 minutes or until heated through; microwaving will work but can affect texture.

Variations

Vegetable boost: fold in sautéed spinach, mushrooms, or roasted red peppers with the bucatini for extra color and nutrients.
Nutty crunch: sprinkle toasted pine nuts over the top before serving for texture contrast.
Herb swap: if you want a brighter herb profile, mix in chopped fresh basil or parsley with the pasta before baking.

Final notes

This Pesto Bucatini Pie. is designed to be straightforward and forgiving. The structure comes from the eggs and milk, the cheeses provide richness and melt, and the pesto keeps the flavor lively. Follow the steps in order—cook the bucatini, mix a well-seasoned custard, fold in the cheeses, and give the pie time to rest after baking—and you’ll have tidy slices that taste like a cozy, impressive home-cooked meal.

Serve it to guests, bring it to a potluck, or tuck it into your weekly meal rotation. The leftovers are reliably delicious, and the recipe scales well if you want to double it for a larger crowd. Enjoy the creamy texture, the pop of herbiness from pesto, and the melt of three different cheeses in every satisfying bite.

Pesto Bucatini Pie.

A cheesy, savory baked bucatini pie layered with pesto and melted cheeses for a comforting pasta casserole.

Print Recipe Pin Recipe

Prep Time 20

Cook Time 50

Total Time 1 20

Servings: 6 servings

Ingredients Equipment Method Notes

Ingredients

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

Equipment

9-inch Springform Pan
Large Pot
Large Bowl
Whisk
Grater
Colander
Oven mitts

Method

Preheat the oven to 425°F (220°C). Spray a 9-inch springform pan with nonstick spray and, if desired, wrap the outside bottom edges with foil to prevent leaks.
Bring a large pot of salted water to a boil and cook the bucatini 1–2 minutes less than the package directions so it remains al dente. Drain the pasta and let it cool slightly; toss with a little olive oil if it looks likely to stick.
In a large bowl, whisk together the whole milk, grated Parmigiano-Reggiano, beaten eggs, minced garlic, kosher salt, and a pinch of freshly ground black pepper until smooth.
Stir in 1 cup of the grated provolone and half of the grated mozzarella, then fold in 3/4 cup of the pesto until combined.
Add the drained bucatini to the bowl and toss gently until all pasta is coated in the cheese-and-milk mixture.
Transfer the pasta mixture to the prepared springform pan and spread into an even layer. Sprinkle the remaining provolone and mozzarella over the top and drizzle extra pesto as desired.
Bake for 35–45 minutes, until the cheese is golden and bubbly and the center is set.
Remove from the oven and cool 10–15 minutes. Run a sharp knife around the edge if needed, release and remove the springform ring, slice into 6–8 wedges, and serve with extra pesto and fresh basil.