Jalapeno Jelly - cooking recipe

Ingredients

2 c. cider vinegar (labeled 5% acidity)
1 lb. jalapeno peppers
6 c. sugar
1/2 tsp. butter or oil
3 oz. liquid pectin (Certo)
10 drops green food coloring

Preparation

In food processor or blender, blend the peppers and 1/2 the vinegar until smooth.
In 6 to 8-quart saucepan combine pepper mixture, remaining vinegar, sugar, butter or oil.
Over high heat, bring to a boil, stirring constantly.
Stir in liquid pectin and return to boil.
Boil 1 minute, stirring constantly.
Remove from heat.
Stir in food coloring.
Fill 1/2 pint jars.
Wipe jar tops and seal with lids.
Process 5 minutes in boiling water.