Add chicken, garlic, cream cheese, stock, heavy cream, salt, pepper and Italian seasoning to a slow cooker and stir together, making sure the chicken is submerged in the liquid.
4 large chicken breasts, 2 cloves garlic, 6 ounces cream cheese, 1 ½ cups chicken stock, 1 ½ cups heavy cream, 2 teaspoons kosher salt, 1 teaspoon black pepper, 1 tablespoon Italian seasoning
Cover and cook on high for 2 ½ to 3 hours, or on low for 4 to 5 hours.
Remove chicken from the slow cooker, let sit for 3 to 4 minutes until cooled slightly. Shred with a fork into bite-sized pieces and set aside.
In a large pot of salted water, cook the pasta according to package directions until just al dente. Drain.
1 pound uncooked pasta
Add the shredded chicken, cooked pasta, parmesan and parsley into the slow cooker with the sauce. Stir together, cover, then cook on high for 5 to 6 minutes until everything is heated through.
½ cup grated parmesan cheese, 3 Tablespoons fresh parsley