I have been making my ruffles with my serger. Ive made a few items with it. It is quick and easy to make. Just change the needle nobs to the highest setting (9), the other knobs down to 1 or 2, if you put it on 0, the threads will be loose. the knobs that control the spacing of each stitch should be set to the widest it can go. test it out on a scrap piece of fabric before testing it out on your cut pieces.
These are some of the items with ruffles made with my serger.