Peel and chop the carrots, dice the celery, and mince the garlic. Set these aside.
Set your Instant Pot to sauté mode. Add a splash of oil, then cook the minced garlic until fragrant—about 2 minutes—until it releases a warm aroma and becomes slightly golden.
Add the chicken breasts to the pot and cook for 3-4 minutes, turning occasionally, until lightly browned on the outside.
Pour in the chicken broth, then add the chopped carrots, celery, bay leaves, thyme, salt, and pepper. Stir gently to combine all ingredients.
Secure the lid and set the Instant Pot to high pressure for 10 minutes. Make sure the vent is sealed.
Once cooking is complete, carefully do a quick release of pressure. Open the lid once the steam has subsided.
Remove the chicken breasts and shred them with two forks. Return the shredded chicken to the pot and stir to combine.
Turn on sauté mode again and let the soup simmer for 10 minutes, allowing flavors to meld and vegetables to soften further.
Squeeze fresh lemon juice into the soup, stirring gently to brighten the flavors.
Taste and adjust seasoning with additional salt and pepper if needed. Remove bay leaves before serving.
Ladle the hot soup into bowls and enjoy this cozy, nourishing meal that’s perfect for chilly days or when you need some comfort.