Simple Mango Jam

Ingredients

 * 2 tbsp lemon juice
 * 7½ cups sugar
 * 1 bottle liquid pectin
 * 4 cups mango purée

Directions

 * 1) Put mango puree into saucepan.
 * 2) Add sugar and lemon juice.
 * 3) Mix well.
 * 4) Bring to a full rolling boil and boil for 1 minute, stirring constantly.
 * 5) Remove from heat and stir in pectin, all at once.
 * 6) Skim off any foam with a spoon.
 * 7) Ladle into hot sterilized jars and seal with lids.