Sterilize 4 pt. Or 8 half-pint jars by boiling 10 min. Heat lids and let stand in hot water until ready to use.

Prepare peppers. Place peppers, juice and vinegar into large saucepan. Measure sugar into separate bowl. Stir sugar into above mixture. Mix well. Add 1/2 tsp. Butter or margarine. Bring to a full rolling boil over high heat, stirring constantly. Open Certo and quickly pour contents into pan. Pour in food coloring. Bring to a full rolling boil, stirring constantly. Remove from heat. Skim off any foam.

Fill jars immediately to 1/8" from top of jar. Wipe jar rims and threads. Cover quickly with lids. Screw on abands tightly. Invert jars for 5 minutes, then turn upright. After 1 hr. Check seals, or use water bath method. (Process in boiling water bath for 15 minutes. No need to sterilize jars first.)