Put on a face mask if you are sensitive to ammonia fumes. Otherwise, you can simply keep your face away from the working surface.
Blot the JELL-O-stained area gently with a clean rag to pick up as much of it as possible.
Mix 1 cup of water with 1 tablespoon of ammonia in a spray bottle.
Spray the stain with the ammonia mixture, wetting the area thoroughly.
Lay a dampened rag over the stain.
Run a warm iron turned to the lowest setting over the cloth until the stain transfers to the cloth.
Rinse the area by spraying it with clean water, and then blotting the moisture away with a clean cloth.
Mix 1 tablespoon of bleach-free detergent and 2 cups of water in a spray bottle.
Spray the JELL-O stain using the detergent mixture.
Blot the stain with a clean cloth.
Repeat Steps 2 and 3 until the stain is gone.
Rinse the area by spraying it with clean water, and then blotting the moisture away with a clean cloth.