INGREDIENTS
1/4 cup
fat-free sour cream
2 oz
crumbled blue cheese (about 1/2 cup)
2 tbsp
hot sauce
1 tbsp
butter, melted
1 tsp
red wine vinegar
Cooking spray
1 lb
skinless, boneless chicken breast halves, pounded to 1/2-inch thickness
1/3 cup
thinly sliced celery
8
whole-wheat sourdough bread slices