HOLY GOD. Crockpot Corn Chowder 4 potatoes (peeled and diced) 1 Can of cream corn 1 Can of whole kernel corn 2 Cups of chicken broth 8 Ounces of diced ham 1 Cups of diced onions 1/4 Cups of butter 2 Cups of half and half Place potatoes, both cans of corn, chicken broth, ham, and onions into the slow cooker. Cook on low for 7-8 hours. Mash the mixture to your desired consistency and then add the butter and half and half. Cook for an additional 30 minutes on high, and you are set.