French Seafood Quiche with Shrimp and Scallops

French seafood quiche is a savory tart of tender seafood, cheese, and a softly set egg-and-cream custard baked in a crisp pastry shell. This French-inspired version pairs shrimp and crab with Gruyère, leek, and chives; seafood quiche recipes vary, so you can adapt the filling to what is available.

Ingredients

1 unbaked 9-inch (23 cm) deep-dish pie crust, about 9 oz (255 g), refrigerated or thawed according to its package
1 tablespoon (14 g) unsalted butter
1/2 cup (75 g) thinly sliced leek, white and pale-green parts only, rinsed well
1/2 cup (75 g) finely diced red bell pepper
8 ounces (225 g) cooked, peeled shrimp, patted dry and cut into bite-size pieces
6 ounces (170 g) cooked lump crabmeat, picked over carefully for shell
1/2 cup (55 g) grated Gruyère cheese
4 large eggs, about 7 ounces (200 g) without shells
1 cup (240 ml) heavy cream
1/4 cup (60 ml) whole milk
1 tablespoon (15 g) Dijon mustard
1 tablespoon (3 g) finely chopped fresh chives
1/2 teaspoon (3 g) fine salt
1/8 teaspoon (0.3 g) ground white or black pepper
1/8 teaspoon (0.3 g) freshly grated nutmeg
1 teaspoon (2 g) finely grated lemon zest

Instructions

Heat the oven and prepare the shell. Set a rack in the lower third of the oven and heat it to 375°F (190°C). Place the chilled crust in a 9-inch deep-dish pie plate if it is not already in one. Press it gently into the corners without stretching the pastry, then trim or fold the edge as needed. Prick the base all over with a fork. Line the crust with parchment and fill it with pie weights or dry beans.
Blind-bake the crust. Bake the weighted shell for 15 minutes, until the rim looks set. Carefully lift out the parchment and weights, then bake the uncovered crust for 6 minutes, until the bottom looks dry rather than raw. Set it aside to cool for 5 minutes. Blind-baking gives the filling a head start and helps prevent a soggy bottom; the crust will finish baking once the custard is added.
Soften the vegetables. While the crust bakes, melt the butter in a small skillet over medium heat. Add the leek and bell pepper and cook for 5 to 7 minutes, stirring often, until softened but not browned. If the leek is sandy, rinse it in a sieve and drain it well before cooking. Spread the cooked vegetables on a plate to cool slightly so they do not warm the egg mixture.
Prepare the seafood and cheese. Pat the cooked shrimp dry; excess moisture can make the custard watery. Check the crab for shell fragments, then gently combine the shrimp and crab in a bowl. Fold in the Gruyère, chives, and lemon zest. Avoid vigorous stirring, which can break the crab into small shreds. If using raw shrimp or scallops instead of cooked seafood, cook them separately until a food thermometer reads 145°F (63°C), the USDA FSIS safe minimum for fish, then cool and drain them before adding.
Make the custard. In a separate bowl, whisk the eggs just until the yolks and whites are combined. Whisk in the cream, milk, Dijon, salt, pepper, and nutmeg. Do not whip in lots of air: a smooth, gently whisked mixture bakes into a more even custard and is less likely to puff dramatically and then sink.
Fill the crust. Scatter the softened leek and pepper over the bottom of the par-baked shell. Add the seafood and cheese mixture in an even layer. Pour the custard slowly over the filling, stopping just below the rim so it does not spill during baking. If a little filling is exposed, that is fine; the custard will set around it.
Bake until set. Put the pie plate on a baking sheet to catch any drips. Bake for about 45 minutes, checking from 40 minutes onward. The edges should look set, while the center may have a slight, unified wobble rather than a liquid ripple. Check the center of the egg custard with a food thermometer: the USDA FSIS safe minimum for egg dishes is 160°F (71°C). If it has not reached that temperature, continue baking and check again after a few minutes. Shield the crust edge loosely with foil if it is browning too quickly.
Rest before slicing. Let the quiche stand for 15 minutes before cutting. The filling will finish settling and hold together better on the plate. Use a sharp knife and wipe it between slices for neat portions.

Tips

Keep the filling dry. Moisture is the most common cause of a loose or soggy quiche. Drain thawed seafood thoroughly, pat shrimp dry, and let sautéed vegetables cool before assembling. If using frozen seafood, thaw it safely in the refrigerator and drain away liquid rather than pouring it into the shell.
Choose fully cooked seafood for the easiest method. Cooked shrimp and pasteurized cooked crab are convenient and need only to be warmed through in the quiche. If your seafood is raw, cook it separately to 145°F (63°C) and cool it before mixing in; adding raw seafood directly can release liquid and makes doneness harder to judge.
Use a deep-dish shell. A shallow standard pie crust may not hold all the custard. If that is what you have, reserve any extra custard and bake it in a buttered ramekin alongside the quiche until it reaches 160°F (71°C). Do not overfill the pastry, even if a little mixture remains.
Season gently and taste the components. Crab, cooked shrimp, Dijon, and cheese can all bring salt. The measured salt is a starting point; if your seafood is already seasoned, reduce it. Gruyère is nutty and melts smoothly, while Swiss cheese is a mild, practical substitute.

Serving Suggestions

Serve the quiche warm or at room temperature, cut into wedges, as a light lunch or a relaxed brunch main. A crisp green salad with a lemon vinaigrette balances the creamy filling; dressed greens are best added just before serving so they stay fresh. For a more substantial meal, add steamed green beans, roasted asparagus, or a bowl of simple vegetable soup.

A small amount of extra chopped chive or a few thin lemon wedges makes a fresh garnish without covering the seafood flavor. If serving it as part of a brunch spread, slice the quiche into smaller wedges and pair it with fresh fruit and plain bread. The filling is rich, so uncomplicated sides tend to work better than another cream-based dish.

Variations

Use scallops in place of crab. Replace the crab with 6 ounces (170 g) of cooked bay scallops, drained and patted dry. If the scallops are raw, cook them first to 145°F (63°C), then cool them before assembling. Bay scallops are small and distribute evenly; larger sea scallops can be cut into bite-size pieces. Their flavor is sweeter and more delicate than crab, so keep the Dijon and lemon modest.

Make it a shrimp-and-smoked-salmon quiche. Swap the crab for 4 ounces (115 g) of flaked hot-smoked salmon and keep the shrimp. Since smoked salmon is salty, reduce the added salt to 1/4 teaspoon (1.5 g). This variation has a more pronounced smoky flavor and works well with chives. Use hot-smoked salmon that is ready to eat, not raw salmon.

Change the vegetables or cheese. Finely chopped shallot can stand in for leek, and a few handfuls of baby spinach can replace the bell pepper. Cook spinach until wilted and squeeze out excess liquid before adding it. Swiss cheese or mild white cheddar can replace Gruyère; cheddar tastes sharper and makes the filling a little less traditionally French in style.

Make a crustless version. Butter a 9-inch (23 cm) pie plate well, add the filling, and pour in the custard. Begin checking for doneness earlier, around 30 minutes, since the mixture is not insulated by pastry. Bake until the center reaches 160°F (71°C); the exact time varies with the pie plate and oven. The result is softer at the edges and is not a pastry quiche, but it is a useful option when you do not have a crust.

Storage and Reheating

Cool leftovers promptly and refrigerate them within 2 hours of baking. Cover the pie plate or transfer slices to an airtight container; cooked seafood quiche keeps for 3 to 4 days in the refrigerator. For easier serving later, cut it into wedges once cool, then store the portions separately. Do not leave it out for an extended brunch or buffet; return it to the refrigerator within the same 2-hour window.

Reheat individual slices in a 325°F (165°C) oven for about 12 to 18 minutes, loosely covered with foil if the crust is already deeply browned. Heat leftovers to 165°F (74°C), checking the center with a food thermometer. A microwave works for a quick portion, but use short bursts at medium power; the crust will soften and the custard can heat unevenly. Freeze well-wrapped slices for up to 2 months for best quality, thaw them overnight in the refrigerator, then reheat to 165°F (74°C). Freezing may make the custard slightly less smooth.

Frequently Asked Questions

Can I make French seafood quiche ahead?
Yes. Bake it fully, cool it, and refrigerate it covered for up to 3 to 4 days. Reheat slices in the oven before serving. You can also blind-bake the crust and cook the vegetables a day ahead, then assemble and bake the quiche on the day you plan to serve it. Keep the prepared components covered and refrigerated, and assemble shortly before baking so the pastry does not become damp.

Why is my quiche watery?
Common causes are wet seafood, vegetables that were not drained, or an underbaked custard. Pat the seafood dry, cook watery vegetables until their moisture has evaporated, and avoid adding liquid from thawing. Bake until the center reaches 160°F (71°C), then give the quiche its full 15-minute rest. A slight wobble is normal, but a visibly liquid center needs more baking.

Can I use frozen shrimp or crab?
Yes. Thaw frozen cooked seafood in the refrigerator, drain it well, and pat it dry before using. Frozen seafood often releases more moisture than fresh seafood, so take extra care with draining. If the product is raw rather than cooked, cook it separately to 145°F (63°C) and cool it before adding it to the filling.

What can I use instead of heavy cream?
You can use half-and-half in place of the cup of cream, but the custard will be lighter and may set a little less richly. Keep the whole milk in the recipe and use the same total volume. Do not replace all the dairy with low-fat milk, which can make the filling less creamy and more prone to a watery texture.

How can I tell when the quiche is done without cutting it?
Use a food thermometer in the middle of the custard, avoiding a large piece of seafood if possible. Egg dishes should reach 160°F (71°C) under USDA FSIS guidance. The center should look set with a gentle wobble, not slosh like liquid; it will firm further as it rests. A thermometer is more dependable than judging color alone.

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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes

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