Whisk to combine the vinegar, oil, chives and salt and pepper to taste in a bowl.
Toss the lettuce with the dressing in a large salad bowl. Divide the lettuce between 2 large bowls or plates. Divide the bacon, eggs, nuts and cheese between the 2 plates, layering them in that order.
Adapted from "One Dish at a Time: Delicious Recipes from My Italian-American Childhood and Beyond" by Valerie Bertinelli © Rodale 2012. Provided courtesy of Valerie Bertinelli. All rights reserved.