Add the olive oil to a large stock pot over medium-high heat. Once it's hot and rippling, add the celery and onion and cook for 2-3 minutes, stirring frequently, until softened. Add the garlic and and cook for another 1-2 minutes until fragrant.
2 Tablespoons olive oil, 1 rib celery, 1 small white onion, 2 cloves garlic
Stir in the thyme, salt, pepper, and 4 cups of chicken broth. Bring to a boil then reduce and simmer for 5 minutes.
2 teaspoons fresh thyme, 1 teaspoon salt, 1/4 teaspoon black pepper, 4-6 cups low sodium chicken broth
Stir in the cooked chicken, carrots, cream, spinach, and cornstarch slurry. Bring the mixture to a gentle boil over medium-high heat and add the gnocchi. Cook until al dente and the gnocchi floats to the top, 2-3, minutes, and the soup thickens. Add additional chicken broth as needed to reach your desired consistency. Taste and adjust salt and pepper to taste.
1 lb cooked cubed chicken, 1 1/2 cups shredded carrots, 1 1/4 cups heavy cream, 3 cups spinach, 2 Tablespoons cornstarch, 16 oz gnocchi