01 -
In a small mixing bowl, whisk together the Catalina dressing, peach preserves, dry onion soup mix, and black pepper until well combined.
02 -
Place the chicken breasts into a 6-quart crock pot. Pour the prepared sauce mixture evenly over the chicken.
03 -
Cover and cook on low for 4 to 5 hours or on high for 2 to 2.5 hours, until chicken reaches 165°F internal temperature.
04 -
Mix cornstarch and cold water in a separate bowl until smooth. Stir into the crock pot during the last 30 minutes of cooking to thicken the sauce.
05 -
Serve the chicken over rice, pasta, or with your preferred sides. Spoon sauce over the top before serving.