Chocolate Mint Parfait Bars

Eh...these lacked in taste.  A friend tried them and she said they reminded her of Girl Scout Thin Mint cookies...I don't think they were minty enough for that, but the consistency is right on!

~Recipe~

1	package chocolate cake mix
⅓	cup butter,softened
1	egg
	Ingredients for Filling:
1	envelope unflavored gelatin
¼	cup boiling water
4	cups powdered sugar
½	cup unsalted butter, softened
½	cup Crisco
⅛	teaspoon peppermint extract
2	to 3 drops green food coloring
	Ingredients for Frosting:
6	ounces semi sweet chocolate chips
3	tablespoons  butter Heat oven to 350 degrees.  Grease 15x10 inch jelly roll pan.  In large bowl combine all base ingredients at low speed until a crumble.  Press into the bottom of the pan. Bake for 10 minutes and cool.  Dissolve gelatin in boiling water, cool.  In large bowl combine gelatin, 2 cups of powder sugar, butter, shortening, flavoring and coloring and beat for 1 minute or until smooth and creamy. Blend in remaining 2 cups of powdered sugar.  SPread over cooled crust.  In small sauce pan melt the butter and chocolate chips over low heat .  Spoon over filling and spread as frosting, Chill and cut.  Enjoy~