Preheat your oven to 350°F (175°C). Line a baking sheet with parchment paper.
In a large mixing bowl, cream together the butter, white sugar, and brown sugar until smooth.
Beat in the eggs one at a time, then stir in the vanilla extract.
Combine the flour, baking soda, and salt; gradually stir into the creamed mixture.
Fold in the semisweet, milk, and white chocolate chips.
Drop by rounded spoonfuls onto the prepared baking sheet.
Bake for 10 minutes in the preheated oven, or until edges are nicely browned.
Allow cookies to cool on baking sheet for 5 minutes before transferring to a wire rack to cool completely.