Place the chicken breasts in an olive oil sprayed slow cooker. Sprinkle the chicken breasts with the garlic salt and the pepper. Add the veggies, chicken broth and spices. Cook on high for about 6 hours.
When you have an hour left to cook, take the chicken out and shred it. Put the shredded chicken back in the slow cooker and add the egg noodles. Stir and continue cooking. Serve immediately when it's finished cooking.
You can adjust the cooking time, if needed. Cook on low for 8-10 hours during the work week.