Boil potatoes for 20 mins, it should be tender but not mushy broken
In a large bowl, mix onion, garlic, salt sugar (about 1/3 c at least) and enough cold water (to cover the cooked potatoes)
Pour in vinegar (about 1/4 c)
Mixture should be sweet and vinegary, with a touch of salt
Add in cooked potatoes and chill
Serve with steak or breaded chicken or nuggets