Focaccia di Recco Recipe

Ingredients (7)

• 500g (17.5 ounces; about 3 1/4 cups) bread flour, plus more for rolling
• 15g (0.5 ounce; 1 tablespoon) sugar
• 10g (0.3 ounce; 2 1/2 teaspoons) Diamond Crystal kosher salt; for table salt use half as much by volume or an equal amount by weight
• 300g (10.5 ounces; about 1 1/4 cups) water
• 50g (1.75 ounces; 3 tablespoons plus 1 teaspoon) extra-virgin olive oil, plus extra for drizzling
• 400g (14 ounces) Stracchino cheese (a.k.a. Crescenza), divided (see note)
• Coarse sea salt, such as Maldon or fleur de sel