Combine jello sugar boiling water and lime juice add 3 or more drops green food coloring
Put into refrigerator until syrupy
Place chilled milk in large bowl and whip together with jello mixture add a pinch of salt to milk Crust can be made while jello mixture is in refrigerator
Melt 12 cup margarine and mix with 2 cups chocolate Nabisco cookie crumbs
Put in bottom of buttered pie plates 3 pour in beaten jello and milk mixture
Let set and grate chocolate over top Chill 4 hours