Preheat oven to 350 degrees.
With electric mixer, beat butter until fluffy.
Add both sugars and beat until well combined.
Add vanilla beans seeds and beat until well combined.
Add egg, beat until well combined, making sure to scrap sides as needed.
In separate bowl stir together flour, baking soda, pudding mix and salt.
Add flour mixture to butter mixture and mix on low until combined. (dough may look a bit crumbly, but comes together nicely when rolled into a ball)
Stir in white chocolate chunks.
Line cookie sheet with parchment paper.
Using cookie scoop, make 18 large or about 24 smaller cookies.
Roll into ball to press cookie dough together, then flatten slightly with fork.
Place in freezer for 15 minutes.
Bake at 350 degrees for about 11-12 minutes or until slightly browned.
If desired decorate by drizzling melted chocolate on top.