Creating your Slow Cooker White Chicken Stew is a breeze if you follow these steps:

1. Prepare the Chicken: Cut the chicken breasts into bite-sized pieces and season with salt and pepper.
2. Chop Vegetables: Dice the potatoes, carrots, celery, and onion. Mince the garlic.
3. Add Ingredients to the Slow Cooker: Place the chicken, potatoes, carrots, celery, onion, and garlic into the slow cooker.
4. Pour in Broth: Add the chicken broth and stir to combine all ingredients.
5. Season the Stew: Sprinkle in the thyme, rosemary, salt, and pepper. Stir again to ensure even distribution.
6. Cook: Cover the slow cooker and set it to low for 6-8 hours or high for 3-4 hours, depending on your schedule.
7. Add Peas: About 30 minutes before serving, stir in the frozen peas.
8. Make it Creamy: If you prefer a creamy stew, whisk together the heavy cream and cornstarch in a separate bowl. Stir this mixture into the stew before serving.
9. Taste and Adjust: Check the seasoning and adjust salt and pepper if necessary.
10. Serve: Ladle the stew into bowls and garnish with fresh parsley.

These straightforward steps will guide you to create a satisfying and delicious stew that everyone will love!