01 -
Add diced tomatoes, tomato pasta sauce, minced garlic, salt, Italian seasoning, dried basil, and black pepper to a 3-6 quart slow cooker. Stir to combine.
02 -
Whisk together the evaporated milk or heavy cream with the cornstarch until smooth. Add the mixture to the slow cooker and stir.
03 -
Place the chicken breasts into the slow cooker, pressing them down into the sauce to ensure they are evenly coated and submerged.
04 -
Cook on low heat for 3-5 hours, until the chicken reaches an internal temperature of 165°F. The cooking time varies based on the size and fullness of the slow cooker.
05 -
Stir in the fresh basil before serving. Serve the chicken and sauce over pasta, rice, or with a salad and vegetables as desired.