any kind! If my has the fudge frosting my mom used to make. This is thick fudge frosting
1 C white sugar
1 block unsweetened baking chocolate
1/4 C milk
1/4 C butter
1 T corn syrup (white)
Bring to boil, boil one minute
hand beat till cool, if gets hard add a little cream or milk
Mom used to send one of use kids outside in the winter to beat this as it got cooled faster..it is a lot of hand beating! but very nummy, used to put the left overs on soda crackers...we loved those soda crackers too.