

Combine gelatin and 1/2 cup of cold water, set aside.Crush graham crackers in food processor
Combine graham crackers with melted butter
Press mixture into bottom of a greased 9" x 13" baking pan
Cook at a steady rolling boil for one minute
Pour the marshmallow syrup into the dissolved gelatin
Mix on high and whip until mixture is very thick (15 minutes)
Add the vanilla and mix thoroughly
Pour marshmallow in baking pan, smoothing with spatula
Store uncovered for at least 3 hours, if not overnight
Melt chocolate chips and oil over double boiler
Mix until smooth and pour evenly over marshmallows
Place in refrigerator until chocolate is firm (at least 1 hr)Carefully cut into small 1 inch squares