Hot Chocolate Chip Cookies

1 cup room temp butter 
1 cup sugar 
2/3 cup packed brown sugar 
2 eggs 
1 tsp vanilla 
3 1/4 cup flour 
4 (1 oz) packets of hot chocolate 
1 tsp salt 
1 1/4 tsp baking soda 
1 cup white chocolate chips 
1 cup semi sweet chocolate chips 
1 cup milk chocolate chips

1. In a medium bowl, whisk together flour, hot chocolate mix, salt and baking soda. 
2. In a separate bowl, cream together butter and sugars. Beat in eggs and vanilla until combined. Fold in flour mixture. Fold in chocolate chips. 
3. Chill dough for about an hour. Preheat oven to 350F. 
4. Bake for 9-11 minutes, or until golden brown.