Preheat oven to 375°

In a medium mixing bowl, whisk flour, baking soda and salt together. Set aside.

In a large mixing bowl, beat butter, brown sugar, sugar, vanilla and corn syrup together.

Add eggs and beat until combined.

Stir in chocolate chips and nuts.

Drop by rounded teaspoon onto ungreased cookie sheets.

Bake for 11-13 minutes, or until edges just start to brown.

Remove from oven and let sit on cookie sheet for a couple minutes before removing to a rack to cool.

In a medium bowl, mix butter, powdered sugar, milk, and vanilla together until well combined.

Put in the fridge for about 15 minutes.

Once cookies have cooled, take two cookies, add some buttercream frosting on one side of the cookie, then put the second cookie on top, roll the edges in sprinkles of your choice for decorating. Enjoy!