Four Seasons Pizza

Ingredients

• 1 pizza dough, divided in 4 (see Basic Pizza Dough recipe)
• 796 ml (28 oz) canned tomatoes, drained and crushed with your fingers
• 45 g (3 tbsp) butter
• 300 g (2 ½ cups) fresh mushrooms, sliced
• 1 kg (2 lb) mussels in the shell, cleaned
• 5 garlic cloves, chopped
• 125 ml (1/2 cup) white wine
• 250 g (2 cups) Mozzarella, diced
• 440 g (14 oz) Mozzarella di Bufala, patted dry and sliced
• Salt and freshly ground pepper, to taste
• 4 marinated artichokes, patted dry and quartered
• 240 g (1 ½ cups) black and green olives, pitted and halved
• 4 anchovy fillets, chopped
• 250 g (8 oz) prosciutto, in thin strips
• 60 ml (4 tbsp) olive oil
• Fresh basil or oregano, to taste