Recipe

Clams Casino

Tender baked clams topped with crisp bacon, sautéed peppers, and buttery garlic breadcrumbs, finished with lemon for that salty-bright bite.

By Matt Campbell

•

4.8

A baking tray of clams casino with golden breadcrumbs and crispy bacon on a warm kitchen counter, with lemon wedges nearby

Jump to Recipe

Clams casino is one of those old-school appetizers that still hits like a brand-new idea: briny clam, smoky bacon, buttery crumbs, a little peppery sweetness, then a squeeze of lemon that makes the whole thing pop.

This is my home cook friendly version. No fancy seafood bar setup required. We are baking everything on a sheet pan, keeping the ingredients easy to find, and using a simple breadcrumb topping that turns golden and crunchy without drying out the clams.

Serve these for a holiday spread, a game night snack, or a random Tuesday when you want to feel like you live near the ocean, even if you definitely do not.

Fresh littleneck clams, bacon, bell pepper, celery, breadcrumbs, butter, lemon, and parsley arranged on a bright kitchen counter

Why It Works

Crisp topping, tender clams: We thoroughly coat the breadcrumbs in butter so they toast quickly in the oven while the clams stay juicy.
Big flavor in small bites: Bacon drippings plus garlic plus lemon equals the kind of bite that makes people hover near the tray.
Make-ahead friendly: You can prep the topping and open the clams earlier, then bake right before serving.
Adaptable heat level: Add a pinch of red pepper flakes or swap in a hotter pepper if your crowd likes a little chaos.

Pairs Well With

Storage Tips

Clams casino are best right out of the oven, but leftovers are still very snackable.

Refrigerate

Store cooled leftovers in an airtight container for up to 2 days.

Reheat

Reheat on a sheet pan at 375°F for 6 to 10 minutes until hot and the topping re-crisps. Avoid the microwave if you can. It softens the crumbs and can make the clams a little rubbery.

Freezing

I do not recommend freezing baked clams casino. The texture takes a hit, and the topping goes from crisp to confused.

Common Questions

What kind of clams should I use for clams casino?

Littleneck clams are ideal. They are small, tender, and feel like the “right” bite for this appetizer. Cherrystones work too, but you may want to chop the clam meat if they are large.

Do I have to use fresh clams?

Fresh is the classic move. If you are not comfortable shucking, ask your fish counter to shuck them for you and keep them on the half shell. In a pinch, you can use canned clams for the topping and spoon it into small shells, but the vibe changes.

How do I keep the clams from getting tough?

Two things: high heat, short bake. You are really just heating the clam and browning the topping. Pull them as soon as the crumbs are golden, usually 8 to 12 minutes.

Can I make clams casino ahead of time?

Yes. Cook the bacon, sauté the veggies, and mix the breadcrumb topping up to 1 day ahead. Keep it refrigerated. Shuck and assemble up to 2 hours ahead, keep the tray very cold in the fridge, then bake right before serving.

What is the “casino” part?

There are a few origin stories floating around, but the practical answer is: it is a classic East Coast baked clam appetizer, often credited to Rhode Island, with bacon and breadcrumbs as the signature.

Matt Campbell

I have always had a huge passion for the culinary arts, people, working as a team, and so on. I wanted to pursue my love for cooking initially at Virginia Commonwealth University with a culinary arts degree; however, I instead decided to apply myself and acquire more practical skills. My end goal is to eventually open my own restaurant or similar establishment.

Kitchen Essentials

Sheet pan
Small skillet
Mixing bowl
Chef’s knife and cutting board
Oyster knife and a kitchen towel (if shucking yourself)
Optional: wire rack set inside the sheet pan for stability

The first time I made clams casino at home, I treated it like a “special occasion only” recipe. Then I realized it is basically a perfect kitchen party trick: you do a little bacon sizzle, a little buttery breadcrumb situation, and suddenly everyone is standing near the oven asking when the next tray is coming out. It is fancy enough to impress, casual enough to eat with your hands, and honestly, that is my favorite kind of food.

Clams Casino

(4.8 Reviews)

Prep Time 25 minutes

Cook Time 12 minutes

Total Time 37 minutes

Servings 6 to 8 as an appetizer (24 clams)

Ingredients

24 littleneck clams, scrubbed well
6 slices bacon, chopped
1/2 cup finely diced green bell pepper
1/3 cup finely diced celery
2 scallions, thinly sliced (white and green)
2 cloves garlic, minced
3/4 cup panko breadcrumbs
3 tablespoons unsalted butter, melted
2 tablespoons chopped fresh parsley
1 teaspoon lemon zest
2 tablespoons fresh lemon juice, plus wedges for serving
2 tablespoons dry white wine (optional but great)
1/4 teaspoon kosher salt, plus more to taste
Freshly ground black pepper
Pinch of red pepper flakes (optional)

Hands holding an oyster knife and a towel while shucking a littleneck clam on a cutting board in a home kitchen

Instructions

Heat the oven. Preheat to 450°F. Set a rack in the upper third of the oven. Line a sheet pan with foil for easier cleanup.
Check and shuck the clams. Give the clams a quick safety check: discard any that are cracked, and discard any that do not close when tapped. Shuck each clam, keeping the meat and as much liquor in the shell as you can. Loosen the meat from the shell so it is easy to eat after baking. Arrange on the sheet pan with the deeper half shell underneath so they sit level.
Stability tip: If the shells wobble, set them on a wire rack inside the sheet pan, or nestle them into little rings of crumpled foil.
If you are new to shucking, a fish counter can do this for you. Bring the clams home on ice and cook the same day.
Cook the bacon. In a small skillet over medium heat, cook bacon until crisp, 6 to 8 minutes. Transfer bacon to a paper towel-lined plate. Leave about 1 tablespoon of bacon fat in the skillet and drain the rest.
Sauté the veggies. In the same skillet, cook bell pepper, celery, and scallion whites in the bacon fat until softened, 3 to 4 minutes. Add garlic and red pepper flakes (if using) and cook 30 seconds until fragrant. Remove from the heat.
Make the topping. In a bowl, mix panko, melted butter, parsley, lemon zest, salt, and black pepper. Stir in the sautéed veggies and the crisp bacon. If using, add the white wine 1 teaspoon at a time, just until the mixture holds together when pinched. (If it gets a little too wet, add a spoonful of panko to bring it back.) The topping should feel moist and sandy, not drenched.
Top the clams. Spoon a heaping teaspoon of topping onto each clam. Gently press so it sticks, but do not pack it down hard.
Bake. Bake until the topping is golden and the clams are just cooked through, 8 to 12 minutes. Watch closely near the end. You want browned crumbs, not rubbery clams.
Finish and serve. Immediately squeeze a little lemon juice over the hot clams. Serve with lemon wedges. Eat while they are sizzling and perfect.

Nutrition information is estimated.

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Clams Casino

Why It Works

Pairs Well With

Recommended

Easy Clam Dip

Hot Crab Dip

Garlic Butter BBQ Shrimp

Garlic Butter Sauteed Shrimp

Storage Tips

Refrigerate

Reheat

Freezing

Common Questions

What kind of clams should I use for clams casino?

Do I have to use fresh clams?

How do I keep the clams from getting tough?

Can I make clams casino ahead of time?

What is the “casino” part?

Clams Casino

Ingredients

Instructions