Here's everything worth knowing about jumbo pasta shells and how to pick them, what they are, how to store them, and what to use instead, plus 21 recipes to cook tonight.

What are jumbo pasta shells?

Jumbo pasta shells (conchiglioni) are the big version of conchiglie, scaled up to roughly two inches long with a wide cupped mouth.

Each one is large enough to spoon a filling into. That is the only reason this size exists.

Unlike small shells that go into soup and salad, jumbo shells are a baking pasta. You par-cook them, stuff each shell, line them in a baking dish, sauce them, and bake until bubbling.

Stuffing and Baking

The classic filling is a ricotta and egg mixture loosened with grated parmesan and spinach, the way Spinach Stuffed Shells does it. Meat versions work just as well, like the long-running Beef Stuffed Shells.

Boil the shells only until they bend without tearing, around 9 minutes, well short of al dente. They finish cooking in the oven, and a fully cooked shell turns fragile and splits when you try to fill it.

Drain them and lay them out separated on a towel or oiled tray so they do not stick together and tear as they cool.

Fill each with a spoon or a piped bag and set them open side up in a sauced dish. Top with more sauce and cheese, then bake covered at 375°F (190°C) until the sauce bubbles, about 25 to 35 minutes.

Pairing and Common Mistakes

A layer of sauce under the shells matters more than people expect. Without it the pasta bonds to the dish and the bottoms dry out, so spread sauce first and spoon more over the top to keep everything moist.

The other frequent miss is boiling the whole box. Cook a few extra, because some always tear, but do not overfill the dish; shells need a little space or they steam into one solid mass instead of holding their shape.

Substitutes

Manicotti or cannelloni tubes hold the same fillings and bake the same way, though you pipe the filling through rather than spooning it into a cup. Large pasta shells are the natural fallback if you cannot find jumbo size, but they hold much less.

For a no-boil shortcut, oven-ready manicotti tubes skip the par-cook step entirely. They are the easiest swap when you want the stuffed-and-baked result without babysitting fragile shells.

Buying and Storage

Look for boxes labeled jumbo shells or conchiglioni, usually sold near lasagna and other baking pasta. Sealed and dry, they keep for a year or more in a cool, dark cupboard.

Buy more than the recipe calls for. A few shells in every box arrive already cracked, and others split during boiling, so a little surplus saves a second trip to the store.

Stuffed, unbaked shells freeze well. Bake them straight from frozen with extra time and an extra ladle of sauce.

Quick facts

Where to find jumbo pasta shells: Jumbo pasta shells are usually found in the pasta section or aisle of the grocery store or supermarket.

In Chinese

意大利面壳，珍宝

British (UK) term

Pasta shells, jumbo

en français

coquillettes, jumbo

en español

conchas de pasta, jumbo

Recipes using jumbo pasta shells

There are 21 recipes that contain this ingredient.

All 21 jumbo pasta shells recipes