Focaccia with Sea Salt Flakes

Dough

• 13 ½ oz water
• 22 oz bread flour
• 5 tsp dried instant yeast
• 1 oz extra virgin olive oil
• 1 pinch sugar
• 1 tsp salt

Topping

• 3 oz extra virgin olive oil
• 3 oz water
• 1 ½ tsp sea salt flakes
• 2 sprigs fresh rosemary, leaves only, to sprinkle