Jalapeno Jelly

"From the Ball Blue Book of Preserving. A little different than other recipes as it uses only jalapeno peppers. Be sure to wear disposable or rubber gloves while cutting and seeding jalapenos. I did not add the optional food coloring and got 6 half-pints. Great over cream cheese or for use in recipes. Please be sure you are familiar with hot water bath canning procedures. For more information, check out the Canning Forum http://www.recipezaar.com/bb/viewforum.zsp?f=24. Whenever making large quantities of jams or jellies, be sure not to double the recipe. Just make successive batches in assembly-line fashion; otherwise, they won't set. The amount of vinegar is correct:)..."