|First I picked 50 kumquats from our trees.|
You need a bunch of things to make jam: jars, lids, rings, pectin, sugar, just for starters.
I had to wash and slice them all, removing all seeds.
I put them in a large pot with a cup of water and 6 1/2 cups of sugar, stirring it up. Then I added a package of pectin. I brought it to a robust boil and let it cook for 10 minutes.
If you want to try this, get the recipe from http://www.kumquatgrowers.com/ and read the directions on the pectin box.