Baked Scallops Gratin (Garlic Butter & Parsley)

There are certain recipes that feel like a treat even when life is busy, and these baked scallops are one of them. The first time we made them, it was a random Friday night when a couple of friends stopped by without warning. We didn't have anything fancy planned, just a pack of scallops in the freezer and some bread crumbs we had made the day before. Within minutes the house smelled like garlic and butter, and everyone gathered around the oven waiting for that golden top to bubble. It turned into one of those nights that felt special without trying.

We make these scallops often now, especially when we want something that looks impressive but doesn't take much effort. My kids call them “the crispy ones” and they always fight over the last spoonful of the buttery sauce at the bottom of the dish. The mix of garlic, parsley and a little wine tastes restaurant-level, but it's so simple that we can throw it together even when we're still in gym clothes and dinner needs to happen fast.

They're good as a starter for a dinner with friends, or with a bowl of pasta or crusty bread when we want to stretch them into a full meal. Every time we make them, someone asks for the recipe. It didn't take long for them to become a regular request around here.

What stands out

• Effortless but impressive. We're going to be honest. We love when a dish looks impressive but only takes us a few minutes to prepare. Just like a simple beef tartare or these scallops.These scallops look like something from a restaurant, but they come together faster than most weeknight dinners. There's something satisfying about serving a dish that feels special without needing hours in the kitchen.
• Simple ingredients, big flavor Everything you need is probably already in your pantry. Butter, garlic, bread crumbs, and parsley turn into something rich and comforting when they bake together. It's proof that a few honest ingredients can go a long way.
• A crowd favorite every time We've served these at family dinners, holidays, and last-minute get-togethers. There's always that quiet moment when everyone takes the first bite and just nods. We take that as a reliable compliment.
• Versatile and easy to serve They work as an appetizer with a little wine, or as a full meal with pasta or warm, crusty bread to soak up the sauce. We love recipes that let you stay flexible depending on who's sitting at the table.

The Secret's in the Simplicity

If you want easier recipes that work well with this dish, try the One Pan Lemon Garlic Butter Chicken Asparagus or the Juicy Oven-Roasted Pork Loin. We make both often when we have friends over, and they always pair nicely with something lighter like these scallops.

Ingredients

• Scallops. Large sea scallops are a reliable choice for this recipe. They stay tender in the center while the top crisps beautifully in the oven. We tested smaller scallops once, and they overcooked in minutes, so we always reach for the bigger ones now.
• Butter. Butter is what helps the crumbs turn perfectly golden instead of soggy. We like to drizzle a little extra right before baking so the topping bakes evenly, and everyone gets some of that rich sauce at the bottom of the dish.
• Bread Crumbs. Coarse, homemade bread crumbs make such a difference here. Fine store-bought crumbs soften too quickly, but homemade ones stay crunchy and give the gratin that irresistible texture. We save leftover bread and blitz it in the blender, so we always have some ready.

Note: Find the full list of ingredients and measurements in the Recipe Card.

Substitutions

• Scallops . If scallops aren't available, shrimp works well here. We've made this version when we couldn't find scallops and it still turns out good. Just watch the baking time since shrimp cook a little faster.
• Bread Crumbs . If you don't have homemade bread crumbs, panko is the next best option. It stays much crispier than regular fine crumbs and gives the same crunchy finish.
• Butter . Olive oil can replace some of the butter if you prefer, but we recommend keeping at least a little butter for flavor and for the way it browns in the oven.

On the stove

Bring simple ingredients together for a golden, garlicky crust over tender scallops.

1. Make The Garlic Parsley Butter Mix softened butter with finely chopped parsley, minced garlic, breadcrumbs, and salt until smooth and fragrant, this is where the golden flavor begins.

1. Simmer The Wine Base In a small saucepan, combine white wine, chopped onion, thyme, and black pepper. Simmer gently until the flavors come together.

1. Arrange The Scallops Place the scallops in their shells on a parchment-lined baking tray so they stay tender while baking.

1. Add The Wine-Onion Mixture Spoon a little of the wine-onion base over each scallop to give them that delicate, aromatic touch.

1. Top With Garlic Butter Crown each scallop with a spoonful of garlic parsley butter, this is what turns beautifully golden in the oven.

1. Bake And Serve Bake for 4–5 minutes until bubbling and golden. Serve hot, straight from the shells, with a crisp salad or a glass of white wine.

Want to see how it all comes together? You can See It In Action and follow the full step-by-step.

Whole, Halved, or Small Scallops?

We've tested this recipe with every type of scallop, and the way you prep them does make a difference. Whole large scallops are our favorite, especially when serving this as an appetizer for guests. They bake evenly and stay tender in the center while the top turns beautifully golden. They also look much prettier on the table, and people always reach for the biggest ones first.

If we're serving a bigger crowd or stretching the dish for a family dinner, we'll slice the scallops in half horizontally. They cook a little faster this way, and you get more pieces per bite, which is great when everyone is passing the dish around. If you want to see how we prepare them, you can watch the quick step-by-step here.

We don't use tiny scallops. They overcook fast and get chewy, and the topping hides them. For cleaning them quickly, this little seafood tool has saved us so much time. And we also like using this small baking rack because it helps the heat circulate underneath so they cook evenly.

If you want to build a full meal around these scallops, they pair beautifully with sides that feel just as simple and relaxed. Creamy Mashed Potatoes are always a hit at our house and the buttery texture works so well next to the crunchy topping. Garlic Parmesan Roasted Broccoli And Green Beansare another favourite because they stay crisp and balance the richness. And if you want something even easier garlic butter rice never fails.

For something fresh on the table Asian Carrot Salad with Ginger Peanut Dressing adds a nice contrast. And if you're planning a date-night style dinner, we love serving these scallops with Crispy Garlic Roasted Potatoes .

Cook notes

A dry white wine like Sauvignon Blanc or Pinot Grigio works best. It adds brightness and balances the richness of the butter.

Yes, as long as they're fully thawed and patted dry before baking so they don't release too much liquid in the oven.

You can assemble the scallops and keep them refrigerated for a few hours, then bake just before serving for that golden, bubbly top.

See It In Action: Step-By-Step

What you need

• 24 scallops in shells
• 1 sprig fresh thyme
• ½ cup dry white wine
• ½ onion chopped
• ½ cup fresh parsley finely chopped
• 10 oz unsalted butter softened
• ⅓ cup garlic minced
• 1 tsp fine salt
• 1 cup breadcrumbs
• 1 tsp black pepper

Method

1. Preheat oven to 450°F (230°C).
2. Make garlic parsley butter: mix softened butter, parsley, garlic, salt, and breadcrumbs in a bowl until combined.
3. In a saucepan, combine white wine, onion, thyme, and pepper. Simmer briefly to blend flavours.
4. Place scallops (in shells) on a baking tray lined with parchment. Spoon a little of the wine-onion mixture over each.
5. Top each scallop with garlic parsley butter.
6. Bake in oven for 4–5 minutes until golden and bubbling.
7. Serve immediately hot, as an appetiser or with salad.