Smothered Chicken Casserole Ingredients ½ cups Prepared Caesar Salad Dressing 4 whole Boneless Skinless Chicken Breasts Halves 4 whole Bacon 3 Tablespoons Butter 1 whole Onion, Diced 8 ounces, weight Mushrooms, Sliced 3 Tablespoons Flour 3 cups Chicken Broth 1-½ cup Heavy Cream 1 teaspoon Kosher Salt ¼ teaspoons Pepper 2 Tablespoons Fresh Lemon Juice