****tail sauce

I used to make it.... Depends on how much you want.  I don't remember exact measurements.

Get some SF ketchup.  I'd start with 1 cup of ****tail sauce,  add 1tsp prepared horseradish,  mix and then taste... if you like it spicer add alittle more of the horseradish.    You can always add more horseradish... if you get i too strong, you can dilute with more ketchup

Good luck.,