Sweet Cherry Jam - cooking recipe

Ingredients

3 lbs fully ripe dark sweet cherries, pitted (4 cups)
1 (1 3/4 ounce) packet powdered fruit pectin
1 teaspoon lemon zest
1/4 cup lemon juice
5 cups sugar

Preparation

In a pot, mix cherries, pectin, lemon juice and lemon zest.
Bring to a boil, stirring constantly.
Add sugar, stir to combine.
Bring to a rolling boil for 1 minute.
Remove from heat, skim foam.
Ladle into hot sterilized 8 oz jars, leave 1/4\" head space. Wipe rims and add lids.
Process jars in water bath for your recomended altitude.