To prepare the focaccia with zucchini, start with the poolish. Pour the flour into a bowl, add the water (1) and the crumbled yeast (2). Mix with a spatula until the ingredients are combined (3).

2 1⁄2 tsp Diamond Crystal Kosher Salt (1 1⁄2 tsp if using Morton Kosher) 1 Tbsp + 1 tsp–Extra Virgin Olive Oil Vegetable Oil, Ground Black Pepper and Maldon Sea Salt for topping Night Before: A ...