Preheat the oven to 350F. Line a 9"x9"" baking pan with parchment paper cutting at corners so it will fit in corners of pan. Set aside.

Follow directions on back of package of First Street Brownie Mix adding in 1 tsp of vanilla to all ingredients. Mix until well blended then add 1 cup of First Street Chocolate Chips. Pour into prepared baking pan.

Bake for 35 minutes, or until a toothpick inserted into the center comes out almost clean with a few moist crumbs. Allow to cool completely in the pan on a wire rack.

Using a mixer fitted with the paddle attachment, beat the butter and sugar until light and fluffy about 3-5 minuets. Beat in the milk and vanilla extract. Add the flour and salt, and mix until combined. Fold in the chocolate chips.

Gently spread the cookie dough over the cooled brownies, and refrigerate whilst preparing the chocolate layer.

In the microwave, heat the heavy cream and pour over chocolate chips. Stirring every 30 seconds. Pour over the cookie dough, and spread out evenly. Refrigerate for 2 - 4 hours (or overnight) until firm. Cut into squares, and enjoy!

Keep refrigerated in an airtight container for up to 3 days.