Place all ingredients in a 3.5 - 4 quart slow cooker.
Cook on HIGH for 3 hours, or until the carrots are tender. Lightly shake the crockpot WITHOUT removing the lid as soon as the butter has melted (about 15-30 minutes into cooking), to make sure the carrots are all coated.
To thicken the glaze, remove the lid and cook for another 10-15 minutes, stirring with a wooden spoon from time to time.
