Pan fry packaged gnocchi. Set aside.
Heat oil in a large pot over medium heat. Cook carrots, celery, onion, and garlic in hot oil until onion is translucent, about 5 minutes.
Add dry herbs and cook for 2 minutes.
Stir in chicken broth; simmer for 5 minutes.
Stir in spinach and cook until wilted, about 3 minutes.
Add cubed chicken and cooked gnocchi. Mix thoroughly.
Whisk cornstarch into cold water in a measuring cup until smooth. Stir the cornstarch mixture, oat milk, and heavy cream into soup. Cook until soup thickens slightly, about 5 minutes.
Season with salt and pepper.
