Grasshopper Brownies

This is a recipe I got from my sister-in-law, Amy. I'll be making in the next couple of days so I'll post a pic when I do so! It looks fun and yummy :) .

Bake 13x9 pan of Brownies (use own recipe or boxed mix)
Filling:
4 c. icing sugar
1 pkg cream cheese
1/4. c. margarine
3 T. milk
1/4 t. peppermint extract
1 t. vanilla
3 drops green food colouring

Mix well together and top COOL brownies.

Melt 1 c. chocolate chips and 2 T. Marg. Spread carefully over cream cheese mixture or swirl in if desired.

~Anne