In a skillet over medium high heat, saute the onion and celery in a little bit of olive oil until tender, and then transfer them to the slow cooker.
small white onion, 2-3 stalked celery
Lay your chicken breasts over top the cooked veggies and then season them with salt and pepper.
3 chicken breasts
Place the soup, chicken broth, half & half, and the additional seasonings in the slow cooker. Give the liquids a gentle stir to combine.
2 10.75 oz cans cream of chicken soup, 4 cups chicken broth, 1 heaping tbsp garlic powder, 1 tbsp parsley, 1 cup half and half, 1/4 tsp poultry seasoning
Cover and cook on low heat for 6-8 hours or on high heat for 4-6 hours. An hour before it's done cooking, mix the cornstarch and water together in a small bowl until smooth. Add the mixture. Cut each of the biscuits into 4-6 small pieces and add them into the slow cooker as well. At this point give everything a stir and return the lid to the pot to cook for the remaining hour.
1 tbsp corn starch, 1 tbsp water, 2 10 oz tubes refrigerated biscuits
When the soup's done cooking, you can either break up the chicken in the slow cooker with a spatula or remove the breasts and shred the chicken and then return the shredded chicken to the soup.
salt & pepper