Combine all ingredients in a large bowl and mix together.
Spray inside of slow cooker with non-stick cooking spray.
Pour ingredients into Crockpot.
Cook on HIGH for 2 hours or LOW for 3.5 - 4 hours.
Notes
You can substitute sour cream for the Greek yogurt. Once the Crockpot spinach dip is heated through and all the cheese is melted, you can put it in a serving dish and serve it with your favorite dippers.Our favorite dipper ideas include: