Scallops au Gratin, known in Italy as capesante gratinate, are an elegant Italian appetizer that’s surprisingly easy to prepare. Fresh scallops are baked directly in their shells under a golden layer of breadcrumbs, with butter, parsley, and finely chopped onion adding plenty of flavor.
In Italy, Scallops au Gratin (Capesante Gratinate) are especially popular during the Christmas holidays and New Year’s celebrations, when seafood appetizers often take center stage. But there’s no reason to save them only for the festive season: their beautiful presentation makes them perfect for dinner parties, romantic dinners, or any occasion that calls for something a little special.
Best of all, you don’t need a long list of ingredients or complicated techniques. A few minutes of preparation and a short time in the oven are enough to turn simple scallops into a golden, buttery appetizer that’s meant to be served hot, straight from the shell.
Why You’ll Love This Recipe
- Easy but impressive. Scallops served in their shells look elegant, yet the preparation is incredibly simple.
- Just a few ingredients. Butter, breadcrumbs, parsley, and onion are all you need to complement the delicate flavor of the scallops.
- Quick to prepare. Once assembled, the scallops need only 10–15 minutes in the oven.
- Perfect for entertaining. Each scallop is served individually in its shell, making this an ideal appetizer for dinner parties and special occasions.
- A festive Italian favorite. Capesante gratinate are especially popular in Italy during Christmas and New Year celebrations, but they’re delicious at any time of year.
What Are Scallops au Gratin?
Scallops au Gratin are known in Italy as capesante gratinate. They are prepared by placing scallops in their shells, topping them with breadcrumbs and flavorful ingredients, and baking them until the scallops are tender and the surface is lightly golden.
There are many variations of capesante gratinate throughout Italy. Some recipes use olive oil, garlic, lemon, wine, or a mixture of fresh herbs. This version keeps things especially simple: softened butter is mixed with finely chopped onion and parsley, then spooned over each scallop before adding a layer of breadcrumbs.
The result is a delicate scallop covered with a buttery, golden topping, served directly in its shell — one of the reasons this simple dish makes such an elegant appetizer.
Ingredients for Italian Scallops au Gratin
You only need a handful of simple ingredients to make these Italian Scallops au Gratin.
Sea scallops: Choose large sea scallops of similar size so they cook evenly. Fresh scallops are ideal for this recipe, especially if you can buy them still in their shells. Look for scallops that are firm and moist, with a fresh, mild sea scent rather than a strong fishy smell. Frozen scallops also work well. Thaw them completely in the refrigerator, then pat them very dry with paper towels before placing them in the shells. Frozen scallops can release more moisture during baking, and removing as much excess water as possible helps the breadcrumbs stay golden rather than becoming soggy. If possible, choose dry-packed scallops rather than scallops treated with added water or phosphates. They generally release less liquid during cooking and have a better texture and more concentrated flavor.
Scallop shells: Use clean scallop shell halves for baking and serving. If you buy scallops already shucked, reusable oven-safe scallop shells can also be used.
Butter: Use softened butter so it can easily be mixed with the onion and parsley.
White onion: Finely chop the onion so it blends into the butter and cooks quickly in the oven.
Breadcrumbs: They create the golden topping and absorb some of the flavorful melted butter as the scallops bake.
Fresh parsley: Adds freshness and color to the buttery topping.
Salt: Just a small amount is enough to season the scallops without overpowering their naturally delicate flavor.
How to Make Scallops au Gratin
1. Prepare the Butter Mixture
Preheat the oven to 190°C (375°F). Finely chop the white onion and fresh parsley. Add them to the softened butter and mix until well combined.
2. Arrange the Scallops
Place one scallop in each clean shell half and arrange the shells on a baking sheet. Season each scallop with a small pinch of salt.
3. Add the Topping
Spoon some of the onion and parsley butter over each scallop, distributing it evenly. Sprinkle about one tablespoon of breadcrumbs over the top of each one.
4. Bake Until Golden
Bake the scallops for 10–15 minutes, or until they are cooked through and the breadcrumb topping is lightly golden. Serve immediately, while the scallops are hot and the buttery topping is at its best.
Tips for Perfect Scallops au Gratin
Scallops cook quickly, so a few simple details can make the difference between tender, juicy scallops and ones that turn firm or rubbery.
- Choose large scallops of similar size. This helps them cook evenly and makes each shell look more generous when served.
- Pat the scallops dry. If they are very wet, gently blot them with paper towels before placing them in the shells. Excess moisture can make the breadcrumb topping soggy instead of golden.
- Don’t add too much topping. The breadcrumbs should form a light layer rather than completely burying the scallop. You still want its delicate flavor to come through.
- Watch the cooking time. Start checking the scallops at around 10 minutes. They should be opaque and tender, while the breadcrumbs should be lightly golden. Larger scallops may need a few minutes longer.
- For a more golden topping, use the broiler briefly. If the scallops are cooked but the breadcrumbs still look pale, place them under the broiler for a very short time, watching carefully to prevent burning.
- Serve them straight from the oven. Scallops are at their best immediately after baking, while they are still tender and the buttery breadcrumb topping is hot and crisp.
Can You Make Scallops au Gratin Without the Shells?
Yes. Serving Scallops au Gratin in their shells gives them their classic presentation, but you can still make this recipe if you buy scallops already shucked.
Arrange the scallops in a small, shallow oven-safe baking dish or divide them among individual ramekins. Top each scallop with the parsley and onion butter, sprinkle with breadcrumbs, and bake following the same method.
Keep an eye on the cooking time, as scallops baked in a dish may cook slightly differently than those prepared individually in shells.
If you love the traditional presentation but can’t find fresh scallops in their shells, reusable oven-safe scallop shells are another practical option.
How to Serve Scallops au Gratin
Scallops au Gratin are best served hot from the oven, directly in their shells. Plan on one or two scallops per person when serving them as an appetizer, depending on the rest of the menu.
In Italy, capesante gratinate are particularly popular as part of a seafood menu for Christmas Eve, Christmas, and New Year’s Eve. Their individual presentation makes them especially well suited to festive dinners, but they are just as lovely for a dinner party, romantic meal, or other special occasion.
Serve them as the first course of a seafood dinner, perhaps followed by a simple pasta or risotto and a fish main course. A crisp green salad or simply prepared vegetables can help balance the richness of the buttery breadcrumb topping.
Bring the scallops to the table as soon as they come out of the oven: they’re at their best while the topping is still golden and the scallops are warm and tender.
Make Ahead and Storage
Scallops au Gratin are best baked just before serving, but you can prepare some of the ingredients ahead of time. Mix the softened butter with the chopped onion and parsley, cover, and refrigerate until needed. Let the mixture soften slightly at room temperature before assembling the scallops so it is easy to spread.
You can also assemble the scallops in their shells a short time before baking. Keep them covered in the refrigerator and add the breadcrumbs shortly before they go into the oven to help keep the topping from becoming soggy.
If you have leftovers, store them in an airtight container in the refrigerator and eat them within one day. Reheat gently just until warmed through, as prolonged reheating can make scallops tough.
For the best texture and flavor, however, serve these scallops freshly baked rather than preparing the entire dish in advance.
Scallops au Gratin
Ingredients
- 8 large sea scallops
- 8 scallop shell halves
- 80 g unsalted butter softened
- 1 small white onion finely chopped
- 8 tablespoons breadcrumbs
- 1 small bunch fresh parsley finely chopped
- Salt to taste
Instructions
- Preheat the oven to 190°C (375°F).
- Combine the softened butter with the finely chopped onion and parsley until well mixed.
- Pat the scallops dry with paper towels and place one scallop in each clean shell half. Arrange the shells on a baking sheet.
- Season each scallop with a small pinch of salt, then spoon some of the onion and parsley butter over the top.
- Sprinkle each scallop with about 1 tablespoon of breadcrumbs.
- Bake for 10–15 minutes, checking from around the 10-minute mark. The scallops should be opaque and tender and the breadcrumb topping lightly golden.
- Serve immediately, directly in the shells.
Notes
- Fresh scallops are ideal, but frozen scallops can also be used. Thaw them completely in the refrigerator and pat them very dry before cooking.
- If available, choose dry-packed scallops, which release less moisture during baking.
- If you don’t have scallop shells, bake the scallops in individual ramekins or a shallow oven-safe baking dish.
