Begin by placing the chicken breasts in a 3- to 4-quart slow cooker.

In a small bowl, combine the salt, Italian seasoning, paprika, and black pepper. Sprinkle this mixture evenly over the chicken to season it well.

In another bowl, mix the heavy whipping cream and cornstarch until smooth, then pour this mixture over the seasoned chicken.

Add the minced garlic, sun-dried tomatoes, additional salt, pepper, Parmesan cheese, and chopped spinach to the slow cooker.

Cover and cook on low for 6-8 hours or on high for 3-4 hours, until the chicken is cooked through and tender.

Once done, stir the mixture to coat the chicken in the creamy sauce before serving.