Add Ingredients to Crock Pot: Place chicken breasts in the bottom of the crock pot. Pour in chicken broth, cream of chicken soup, cream of mushroom soup, and milk. Add garlic powder, onion powder, salt, and pepper. Stir to combine.
Cook: Cover and cook on low for 6–7 hours or high for 3–4 hours until the chicken is tender and cooked through.
Shred the Chicken: Remove the chicken, shred it with two forks, and return it to the crock pot.
Add Noodles and Finish: Stir in the egg noodles and cook on high for 30–40 minutes, or until the noodles are soft. Stir in sour cream and peas (if using). Adjust seasoning if needed.
Serve: Serve warm and enjoy!