Homemade Za'atar: In a glass jar, combine 3 tablespoons dried oregano, 1 tablespoon dried thyme, 2 tablespoons toasted sesame seeds, 1 1/2 teaspoons kosher salt, 1/2-1 teaspoon black pepper, and the 1 tablespoon lemon zest. Makes about 1/3 cup. Mix will keep for up to 2 months stored in an airtight container.