With your Instant Pot on the sear/saute setting, add butter, carrots and celery. Cook for a few minutes stirring occasionally. Add potatoes, onions and garlic and cook for another couple minutes.
Turn your Instant Pot to slow cook setting and add remaining ingredients and stir to combine.
Cook low on "Slow Cook" for 4 hours.
Allow the soup to cool a bit before serving. Enjoy!
*Recipe Notes* If you are using a regular slow cooker - Sauté the veggies in a large pan on the stove then transfer everything to your slow cooker to finish cooking.
Stovetop Instructions:
If you are cooking this recipe on the stove, use a large pot.
Over medium heat, add butter, carrots and celery. Cook for a few minutes stirring occasionally. Add potatoes, onions and garlic and cook for another couple minutes.
Add remaining ingredients to your pot and stir to combine. Bring to a low simmer. Cover and cook over low for 1-2 hours until veggies are tender.
When done, allow soup to cool a bit before serving. Enjoy!