Preheat oven to 350 degrees F. Grease or line a 9x13 pan with parchment paper.
In a medium bowl, combine flour, salt and baking soda. Set aside.
In a large bowl, beat brown sugar and granulated sugar with butter.
Add eggs and vanilla.
Mix in dry ingredients 1 cup at a time, until all ingredients are fully combined.
Stir in chocolate chips.
Press cookie dough into pan. If adding candies and sprinkles, spread them evenly and press into the top of cookie dough.
Bake 35-38 minutes or until a test toothpick comes out clean.
Let cool completely before cutting.