Lightly coat the bottom of a 5- to 6-quart slow cooker with nonstick cooking spray. Place chicken breasts in a single layer in the slow cooker and sprinkle with garlic powder and lemon zest. Pour chicken broth and Caesar dressing over the chicken.,
STEP 3
Cover and cook on Low for 5 hours or on High for 2 1/2 hours or until an instant read thermometer inserted into the center of the chicken registers 165 degrees F (74 degrees C).,
STEP 4
Remove chicken from the slow cooker and allow to cool slightly on a cutting board before shredding or chopping into bite-sized pieces.,
STEP 5
Meanwhile, stir the pasta into the dressing mixture in the slow cooker. Cover and cook on High 20 to 30 minutes more or until pasta is tender.,
STEP 6
Stir in cream cheese and 1/4 cup of the Parmesan cheese until melted. Add shredded chicken, and parsley; stir to combine. Turn cooker off and let pasta mixture stand, uncovered to allow sauce to thicken slightly, 10 minutes.,
STEP 7
Top with remaining 1/4 cup Parmesan cheese and if desired, top with crushed red pepper, capers, and/or lemon wedges.