Pepper Jelly - cooking recipe

Ingredients

12 large green peppers
3 c. white vinegar
2 1/2 Tbsp. red pepper
12 c. sugar
1 tsp. salt
2 bottles Certo pectin

Preparation

Cut peppers and put with vinegar in a blender; mix.
Put all ingredients in large cooker except Certo pectin.
Bring to a boil. Boil 15 minutes or until rather thick.
Add Certo when it begins to boil.
Add green or red food coloring and pour into jars.