get a medium pot almost full of water

get a glass mesuring cup or anything that u can hold in the water that wont melt or break

get the water hot to a semi boil then lower the fire as low as u can without turning it off

put the shortening and chocolate in the measuring cup

pplace it in the water but make sure no water gets in the measuring cup with the ingredients

wait for chocolate to melt stirring every so often

when chocolates melted put toothpick in marshmallow and dip in chocolate place on wax paper or foil on cookie sheet

repeat and add walnuts or almonds if u like