Custrd is out now on the App Store and Google Play — Try it free for 7 days →
Back to recipes

25-Min Creamy Seafood Gratin

Tender shrimp, scallops, and mussels baked in a silky white wine butter sauce with crispy breadcrumb topping. Served with roasted potatoes and tomatoes for a weeknight French dinner that feels restaurant-worthy.

Total time
25 min
Servings
2
Calories
520
Protein
38g
25-Min Creamy Seafood Gratin
elegantindulgentfrenchshrimpscallopcrispycreamytender

Ingredients

8 items — tap to check off

Missing one? Custrd suggests a swap that works.

Open the app

Instructions

  1. Step 1

    Toss potatoes and tomatoes with 2 tbsp melted butter, salt, and pepper; spread on a sheet pan and roast at 425°F for 12 minutes.

  2. Step 2

    In a small bowl, mix panko, parmesan, 1 tbsp melted butter, and a pinch of salt and pepper; set aside.

  3. Step 3

    Heat 1 tbsp butter in a shallow baking dish (8x8 or similar) over medium-high; add shrimp and scallops with a pinch of salt.

  4. Step 4

    Cook seafood 2 minutes per side without stirring until edges turn opaque, then pour in white wine and remove from heat.

  5. Step 5

    Top seafood mixture evenly with the panko-parmesan blend, then nestle roasted potatoes and tomatoes around it.

  6. Step 6

    Bake at 400°F for 8 minutes until breadcrumb topping is golden and sauce bubbles at the edges; serve immediately.

Tools you’ll need

  • sheet pan
  • shallow 8x8-inch baking dish (or 9-inch pie dish)
  • small mixing bowl
  • chef's knife
  • cutting board

Cook smarter

Get matched recipes for what’s in your fridge

Custrd is an iPhone and Android app that finds real recipes from the ingredients you already have. No more grocery-list aspirations. Try it free for 7 days.