Clams Casino Recipe

Clams casino is a timeless seafood appetizer that originated in the United States in the early 1900s. This dish combines the briny flavor of fresh clams with a rich, savory topping of butter, herbs, breadcrumbs, and crispy bacon. The clams are typically served on the half shell, making them an elegant and impressive appetizer for any occasion. The key to perfect clams casino lies in using the freshest clams possible and balancing the flavors of the topping to complement, rather than overpower, the natural taste of the clams.

The preparation of clams casino involves a few simple steps, but attention to detail is crucial for achieving the best results. The clams are first cleaned and shucked, then topped with a mixture of butter, garlic, shallots, bell peppers, and herbs. Crispy bacon adds a smoky, savory element that pairs beautifully with the clams. The dish is then baked until the clams are just cooked through and the topping is golden and bubbly. Clams casino is best served hot out of the oven, with lemon wedges on the side for a touch of acidity.

What you’ll need

• 24 fresh littleneck clams
• 1/2 cup unsalted butter, softened
• 2 cloves garlic, minced
• 1 shallot, finely chopped
• 1/4 cup red bell pepper, finely chopped
• 2 tablespoons fresh parsley, chopped
• 1 tablespoon fresh oregano, chopped
• 1/2 cup panko breadcrumbs
• 6 slices bacon, cooked and crumbled
• Lemon wedges, for serving
• Salt and pepper, to taste

How to make clams casino

1. Preheat your oven to 450°F (232°C).
2. Scrub the clams under cold running water to remove any dirt or debris. Discard any clams that are open and do not close when tapped.
3. Place the clams in a large pot with a small amount of water. Cover and steam over medium-high heat for 3-5 minutes, or until the clams open. Remove the clams from the pot and let them cool slightly.
4. Once the clams are cool enough to handle, remove the top shell of each clam and discard. Carefully loosen the clams from the bottom shell using a knife, being careful not to break the shell.
5. In a medium bowl, combine the softened butter, minced garlic, chopped shallot, red bell pepper, parsley, and oregano. Mix well to combine.
6. Add the panko breadcrumbs to the butter mixture and stir until well combined. Season with salt and pepper to taste.
7. Place the clams on a baking sheet lined with parchment paper or aluminum foil. Spoon a generous amount of the butter mixture onto each clam, spreading it evenly to cover the clam.
8. Sprinkle the crumbled bacon evenly over the top of the butter mixture on each clam.
9. Bake the clams in the preheated oven for 8-10 minutes, or until the topping is golden brown and the clams are cooked through.
10. Remove the clams from the oven and let them cool for a minute or two before serving.
11. Serve the clams casino hot, with lemon wedges on the side for squeezing over the top.

How to know when it’s done

The clams should be cooked just until they are plump and opaque, which usually takes about 8-10 minutes in a 450°F (232°C) oven. Overcooking can cause the clams to become tough and rubbery, so it’s important to keep a close eye on them. The topping should be golden brown and bubbly, with the bacon adding a nice crisp texture. The clams should open fully during cooking; any clams that do not open should be discarded as they may not be safe to eat.

The key to perfect clams casino is achieving a balance between the tender, juicy clams and the flavorful, crispy topping. The butter mixture should be well-seasoned and aromatic, with the garlic and herbs providing a fragrant base. The bacon should be crispy but not burnt, adding a smoky, savory contrast to the richness of the butter and the brininess of the clams. Adjust the seasoning to taste, and consider adding a squeeze of lemon juice before serving for a bright, fresh finish.

Tips for the best clams casino

For the best flavor, use the freshest clams you can find. Littleneck clams are a popular choice for clams casino, but you can also use cherrystone or other small clams. Make sure the clams are alive before cooking by checking that they close when tapped. Discard any clams that do not close or have cracked shells.

The butter mixture is the heart of the dish, so take the time to prepare it well. Use high-quality butter and fresh herbs for the best results. You can also experiment with different herbs and spices to customize the flavor to your liking. For example, try adding a pinch of red pepper flakes for a bit of heat, or a squeeze of lemon juice for extra brightness.

Variations & other methods

While the classic clams casino recipe includes bacon, you can omit it for a lighter version. Instead, you can add a sprinkle of smoked paprika to the butter mixture to mimic the smoky flavor of the bacon. Alternatively, you can use pancetta or prosciutto as a substitute for the bacon, which will add a different but equally delicious flavor profile.

For a vegetarian version of clams casino, you can use large mushroom caps instead of clams. Simply clean the mushrooms, remove the stems, and fill them with the butter mixture. Bake as you would with clams, and enjoy a delicious vegetarian appetizer that captures the essence of the original dish.

What to serve with it

Clams casino is traditionally served as an appetizer, but it can also be enjoyed as a main course with a side dish. Serve the clams hot out of the oven, with lemon wedges on the side for squeezing over the top. A simple green salad or a bowl of soup makes a great accompaniment to this dish. For a more substantial meal, consider serving the clams with a side of roasted potatoes or crusty bread to soak up the flavorful butter sauce.

To add a touch of elegance to your presentation, serve the clams casino on a bed of rock salt or crushed ice. This will help keep the clams stable and add a decorative touch to the dish. You can also garnish the platter with fresh parsley or lemon wedges for a pop of color.

Storing & reheating

Clams casino is best enjoyed fresh out of the oven, but any leftovers can be stored in an airtight container in the refrigerator for up to 2 days. To reheat, place the clams on a baking sheet and warm them in a preheated 350°F (177°C) oven for 5-7 minutes, or until heated through. Be careful not to overcook the clams, as they can become tough if reheated for too long.

If you have leftover topping, you can store it in an airtight container in the refrigerator for up to a week. Use it to top other seafood dishes, such as scallops or shrimp, or use it as a spread for sandwiches or toast.

Common mistakes to avoid

One common mistake when making clams casino is using clams that are too small or too large. The ideal clam for this dish is a littleneck clam, which is small enough to be served on the half shell but large enough to hold the topping. Using clams that are too small can make the dish difficult to eat, while using clams that are too large can result in a less elegant presentation.

Another mistake is overcooking the clams. Clams should be cooked just until they are plump and opaque, which usually takes about 8-10 minutes in a 450°F (232°C) oven. Overcooking can cause the clams to become tough and rubbery, so it’s important to keep a close eye on them. If you’re unsure whether the clams are done, err on the side of caution and remove them from the oven a little early.

Frequently asked questions

More clams guides

• How to Cook Clams (Steamed & More)
• How to Clean & Purge Clams
• New England Clam Chowder Recipe
• Fried Clams Recipe (Whole Belly)
• Linguine with Clams Recipe
• Stuffed Clams Recipe (Clams Oreganata)