Adapted from Recipe Girl
4 ounces unsweetened chocolate, chopped
Cookie dough layer:
3/4 cup butter
1 1/2 cups semi sweet chocolate chips
6 ounces of semi-sweet chocolate chips or semi sweet chocolate, chopped
1/3 cup cream
Preheat oven to 325º. Grease 9 x 13 pan and line with parchment paper lengthwise with a slight overhang on each side. Grease parchment. Set aside.
Make brownie layer. Melt chocolate in the microwave using 30 second increments, stirring until melted and smooth. Set aside. In a large mixing bowl, beat butter and brown sugar till well mixed. Beat in eggs and vanilla. Mix in melted chocolate. Stir in flour; don't over mix. Spread into prepared pan. Bake 25-35 minutes or till toothpick inserted in center comes out clean. Cool.
Make cookie dough. With an electric mixer combine butter and both sugars. Mix in milk and vanilla; stir in flour. Add chocolate chips and mix to combine. Spread over cooled brownie layer. Cool till firm (can freeze to hurry along process).
ganache. Melt remaining chocolate and cream together in microwave,
stopping at 30 second intervals to stir till smooth and chocolate is
melted. Spread over dough layer. Chill for easier cutting. You may
pull the whole batch out with the parchment to cut or just cut pieces