Gwen:

I had never heard of it, but located the following recipes online that you might attempt. They all look fairly simple:

http://www.astray.com/recipes/?show=Green%20%20tomato%20%20jelly
Green Tomato Jelly
Categories: Jelly Canning
Yield: 6 Servings
5 c Green tomatoes,
Cut into sm. pieces
4 c Sugar
6 oz Pkg. raspberry Jello

Preparation : Boil tomatoes and sugar together for 15 minutes. Remove from heat. Add Jello and stir well. Put into blender. Blend well. Pour into jars and seal. Walt MM

http://www.cdkitchen.com/recipes/recs/7/Green_Tomato_Jam9685.shtml
Categories:
Green Tomato Jam Jelly and Preserves Recipes

Ingredients:
2 medium sized green tomatoes, skinned
1 package raspberry or strawberry Jello

Directions:

Chop and cook tomatoes like you were going to stew them. Add Jello to cooked tomatoes while they are hot, stir until Jello is dissolved. Add 1 cup cold water. Put into jars and seal.

This recipe for Green Tomato Jam serves/makes 4 half pints

Recipe ID: 34285

http://www.cdkitchen.com/recipes/recs/7/Green_Tomato_Jam9686.shtml
Green Tomato Jam Recipe

Submitted by: rec.food.recipes JANIC412 janic412

Ready in: 30-60 minutes
Difficulty: 2 (1=easiest :: hardest=5)
Serves/Makes: 1 pint

Categories:
Green Tomato Jam Jelly and Preserves Recipes

Ingredients:
2 cups pureed green tomatoes
2 cups sugar
1 (3 oz. size) pkg. Jello, strawberry or raspberry

Directions:

Crush tomatoes in blender. Take 2 cups pureed tomatoes and 2 cups sugar and cook for 10 minutes, stirring occasionally. Take off stove and add Jello.

Will be very thin. Let stand to cool, then refrigerate. Ready to eat when cold.

This recipe for Green Tomato Jam serves/makes 1 pint

Recipe ID: 34359

http://www.cdkitchen.com/recipes/recs/1239/Green-Tomato-Raspberry-Jam83704.shtml
Green Tomato Raspberry Jam Recipe

Submitted by: Killieanne, Arizona, USA

Ready in: < 30 minutes

Difficulty: 2 (1=easiest :: hardest=5)
Serves/Makes: 2 pints

Categories:
Green Tomato Jam Jelly and Preserves Recipes

Ingredients:
2 cups sugar
2 cups green tomatoes
1 package (3 oz size) red or black raspberry jello

Directions:

Mix sugar and tomatoes which have been cored and liquified in blender. Boil for 2 minutes. Add box of jello. Bring to boil again and boil two more minutes.

Put in jars. Either freeze or top with 1/8" of paraffin when cool.

This recipe for Green Tomato Raspberry Jam serves/makes 2 pints