We love boiled peanuts. It is a very healthy snack. You must eat them warm for them to be good. Personally I do not like mine mushy but rather on the firm side. The salt/water ratio must be just right..compare it to seawater or just slightly more saltier. The shells turn dark brown and are very tender to open. You eat them right out of the shell and can suck the juice also.
If you do try to boil your own just note you neet to start with green (raw) peanuts and it takes awhile before they are ready. Usually you will see reg boiled peanuts and hot as in spicy boiled peanuts. Im not sure if they use hot peppers or what to make them spicey hot but I prefer reg. boiled peanuts. The flavor is nothing like roasted peanuts or peanut butter but more like a bean.