1: Fire up your Ooni pizza oven.
Aim for 662˚F (350˚C) on the stone baking board inside. You can check the temperature inside your oven quickly and easily using the Ooni Infrared Thermometer.
2: Add the olive oil to your Casserole Dish and place in the oven to warm up for 1-2 minutes.
3: Remove the Casserole Dish from the oven and add the garlic, chilli and tarragon.
Fry until softened.
4: Add the seafood, tomatoes and wine.
Place the lid on the dish and return to the oven. Cook for 15-20 minutes or until the squid is tender and the sauce has thickened.
5: Add in the mussels and prawns and cook for another 10 minutes or until all of the seafood has cooked through.
6: Sprinkle the parsley on top and serve hot with freshly baked bread.