Julienne kumquats and lemons (unpeeled). Discard lemon seeds.
Add 2 1/2 c water and baking soda.
Simmer covered, stirring occasionally.
Add pineapple and its juice and the Sure-Jell.
Bring to a rolling boil and add sugar.
Bring back to a rolling boil and cook 1 minute.
Reduce heat so it's boiling but not as briskly. Skim foam and stir for 7 minutes, using a metal spoon.
Pour into sterile jars (see the watermelon rind pickles file for info).
Yield: 10 6-oz. jars. Takes 2 weeks to set up. Remember to refrigerate any jars that don't have a proper seal.