1. Fire up your Ooni pizza oven.
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.
4. Add the seafood, tomatoes and wine.
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.