INGREDIENTS
1
Rotisserie chicken, average-sized
8 oz
Button or cremini mushrooms
1 cup
Celery, medium
1/2 cup
Onion
1/2 cup
Mayonnaise
1/4 tsp
Black pepper, freshly ground
3 tbsp
Flour
1 tsp
Kosher salt
1
sleeve Ritz crackers
6 tbsp
Butter
8 oz
Heavy cream