Add all ingredients to a 2 quart slow cooker
Cover and cook on high for about 2 hours or low for about 4
Use an immersion blender or carefully transfer contents to a blender or food processor and blend until smooth
Let cool completely and then store in airtight container in fridge until ready to serve
Served cooled ketchup with Farm Rich Cheese Curds and/or Farm Rich Onion Rings cooked according to package directions.