Roasted Chicken Potato Salad

Ingredients

• 1 1/2 lbs red potatoes
• 1 1/2 lbs roasted or rotisserie chicken breast
• 1/4 cup balsamic vinegar
• 2 Tbs Dijon mustard
• 2 Tbs olive oil
• 4 Tbs water
• Salt and freshly ground black pepper
• 1 cup red onion
• 2 celery stalk, diced
• 1 cup chopped fresh parsley
• 1 small head Romaine lettuce, torn into bite-size pieces
• 2 medium tomato, cut into wedges
• 1 French baguette