Cooked Peach Jam - CERTO Crystals

Peel peaches; chop finely. Measure exactly 4 cups prepared peaches into large saucepan. Add pectin crystals; mix well.

Bring to full rolling boil on high heat. Add sugar; mix well. Return to full rolling boil; cook 1 min. Remove from heat. Stir and sim foam for 5 min. to prevent fruit from floating to surface.

Pour immediately into warm sterilized jars, filling to within 1/4 inch of rims. Cover with lids. Let stand at room temperature 24 hours or until set.