Rosemary Focaccia Bread

Bahan-bahan (8 porsi)

• 1 1/3 cup warm water (about 110°F)
• 2 teaspoons sugar or honey
• 1 (0.25 ounce) package active-dry yeast
• 3 1/2 cups all purpose flour
• 1/4 cup extra virgin olive oil, plus more for drizzling
• 2 teaspoons flaky sea salt, plus extra for sprinkling*
• 2 sprigs fresh rosemary