1. In your electric mixer bowl, cream together the butter, white sugar and brown sugar, until you get a nice, smooth, creamy mixture. Beat in the eggs and vanilla. In a different bowl, sift together flour, salt, baking soda and hot chocolate mix.
2. With the mixer running, begin adding the dry ingredients to the wet. Using a spoon, add in the chocolate chips (white and semi-sweet). Preheat your oven to 350 deg F and line your baking sheets with parchment paper.
3. Drop spoonfulls of cookie batter onto your baking sheets, about 2 inches apart. Bake for 9 – 11 minutes. Let cool for a couple of minutes before eating.