Put your onion, garlic, celery, carrots, seasonings, broth and chicken in a 6 quart slow cooker and stir until well combined.
Cover and cook on low for 3 to 4 hours or high for 1.5-2 hours.
Mix together your water and cornstarch in a cup or small bowl until completely combined.
If your crock pot is not already on high, turn it on high and add cornstarch mixture and milk to your crock pot and stir until well combined.
Cover and cook for an additional 30 minutes.
Stir in gnocchi and chopped spinach, cover and cook on high for additional 15 minutes until gnocchi is cooked and spinach is wilted.
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As with any of our recipes, carb counts, calorie counts and nutritional information varies greatly. As a result, your nutritional content depends on which products you choose to use when cooking this dish. The auto-calculation is just an automated estimate and should NOT be used for specific dietary needs.
All slow cookers cook differently, so cooking times are always a basic guideline. Recipes should always be tested first in your own slow cooker and time adjusted as needed.