Black and white cookies are a staple of New York delis, writes Micah Siva, author of “Nosh: Plant-Forward Recipes Celebrating Modern Jewish Cuisine” (The Collective Book Studio, $35). They’re sweet and soft with a lemon scent and, of course, chocolate. Plus, this version is vegan, gluten-free and great for Passover — just be sure to check that all of your ingredients are kosher. Passover Black and White Cookies Makes 8 cookies INGREDIENTS Cookies: 1½ cups almond flour, sifted 1/4 cup arrowroot starch 1 teaspoon baking powder 1/4 teaspoon sea salt 1 tablespoon melted coconut oil 1/4 cup maple syrup 1 teaspoon vanilla extract 1/2 teaspoon lemon zest 11/2 teaspoons lemon juice Frosting: 1½ cups powdered sugar 1/2 teaspoon vanilla extract 2 teaspoons lemon juice 1 to 2 tablespoons water 1 tablespoon light agave syrup or corn syrup 2 to 3 tablespoons cocoa powder DIRECTIONS Make the cookies: In a medium bowl, whisk together the almond flour, arrowroot starch, baking powder and salt.