Crock Pot Chicken Caesar Sandwiches

INGREDIENTS

Chicken::

1 1/2 lb

boneless, skinless chicken breasts

2 tbsp

water

1 tsp

kosher salt

1/2 tsp

garlic powder

1/8 tsp

black pepper

Dressing::

2 5.3 ounce containers

nonfat plain Greek yogurt (or about a scant 1 1/4 cups)

1/2 cup

shredded Parmesan cheese

2 tbsp

fresh lemon juice

1 1/2 tbsp

smooth Dijon mustard

1 tbsp

apple cider vinegar

1 tbsp

reduced-sodium soy sauce

1/2 tsp

garlic powder

1/2 tsp

kosher salt

1/16 tsp

black pepper

For Serving::

1/3 cup

chopped fresh flat leaf (Italian) parsley

1/4 cup

shredded Parmesan cheese

Whole wheat buns or whole wheat pita pockets

Romaine lettuce

Additional Parmesan cheese, if desired