the fudge that I have done ... it was in the celebration show folder a couple of seasons back, is just one bag of chocolate chips and one tub of frosting. I have never tried to use the EAD with it. You will have to get it to just the right temp or it won't work at all. I put it on a bar pan or in one of the bread tubes. I have also added nuts and marshmellows for rocky road or crushed candy canes in white chocolate. Peanut butter chips with crushed peanuts is good too.
all of these are the same amount of frosting to chips and go in the microwave for about 1 minute to melt
Hope this helps