Preparation Whisk together vinegar, sugar, shallot, 1/2 teaspoon salt, and 1/4 teaspoon pepper in a large bowl, then add oil in a stream, whisking until combined well. Toss remaining ingredients with dressing. Season salad with salt and pepper. Cooks' Notes:•Dressing can be made 1 day ahead and chilled, covered. •Vegetables and lettuce can be chopped 1 day ahead and stored separately while being chilled in a sealable plastic bag lined with a damp paper towel.
Preparation Whisk together vinegar, sugar, shallot, 1/2 teaspoon salt, and 1/4 teaspoon pepper in a large bowl, then add oil in a stream, whisking until combined well. Toss remaining ingredients with dressing. Season salad with salt and pepper. Cooks' Notes:•Dressing can be made 1 day ahead and chilled, covered. •Vegetables and lettuce can be chopped 1 day ahead and stored separately while being chilled in a sealable plastic bag lined with a damp paper towel.