Smoked salmon and crème fraîche pizza

Ingredients

• 1 1/2 cup (360g) ricotta cheese
• 2 tablespoons olive oil
• 1 1/2 tablespoon black lumpfish roe
• 2 tablespoons finely chopped fresh chives
• 300 grams thinly sliced smoked salmon
• 1 baby fennel, sliced finely
• 1 cup loosely packed watercress sprigs
• 1/2 cup (120g) crème fraîche
• 1 lemon, cut into wedges
• 1 1/2 cup (225g) '00' flour, ead flour or plain (all-purpose) flour
• 1 teaspoon (4g) dried yeast
• 1 teaspoon caster sugar
• 1 teaspoon fine table salt
• 1 tablespoon olive oil
• 1/2 cup (125ml) warm water, approximately