Preparation Whisk together lemon juice, zest, sugar, salt, and pepper until sugar is dissolved, then add oil in a slow stream, whisking until emulsified. Just before serving, toss cabbage, parsley, and radicchio in a large bowl with just enough dressing to coat, then season with salt and pepper.
Preparation Whisk together lemon juice, zest, sugar, salt, and pepper until sugar is dissolved, then add oil in a slow stream, whisking until emulsified. Just before serving, toss cabbage, parsley, and radicchio in a large bowl with just enough dressing to coat, then season with salt and pepper.