Set Up Your Crockpot: Spray the inside of your crockpot with nonstick cooking spray.
Layer Ingredients: Add halved baby potatoes to the bottom of the Crockpot, then place the chicken breasts on top.
Taste seasoning: In a small bowl, stir minced garlic, dried thyme, dried rosemary, salt, and pepper together, then scatter this seasoning over the chicken and potatoes.
Add Liquid: Pour the chicken broth into the Crockpot for added moisture and flavor.
Cook Time: Set the Crockpot on low for 6-8 hours or on high for 3-4 hours.
Cheesy Finish: 30 minutes before serving, sprinkle the chicken and potatoes with Parmesan and mozzarella cheeses.
Garnish and Serve: Garnish with fresh parsley and serve hot.