Pour some flour on a plate and dredge the swordfish in the flour.
Ingredients you will need
Swordfish
All Purpose Flour
3
Heat 3 tablespoons olive oil in a large Dutch oven over medium-high heat. Working in batches, cook the swordfish until golden on all sides, about 4 minutes.
Ingredients you will need
Olive Oil
Swordfish
Equipment you will use
Dutch Oven
4
Transfer to a plate.
5
Reduce the heat to medium; add the remaining 2 tablespoons olive oil to the pot.
Ingredients you will need
Olive Oil
Equipment you will use
Pot
6
Add the garlic, onion and red pepper flakes and cook about 3 minutes. Season with salt and add the wine. Cover and cook, stirring a few times, until the onion is tender, about 5 more minutes.
Ingredients you will need
Red Pepper Flakes
Garlic
Onion
Salt
Wine
7
Add the seafood to the pot in layers, starting with the clams, then the shrimp, calamari rings and tentacles, and the swordfish. Cover and cook until the clams have just opened, about 6 minutes. Lightly stir, cover again and simmer 5 more minutes. Discard any clams that do not open. Stir in the butter, parsley, vinegar and salt to taste.