Preheat your oven to 350 degrees F and line a baking tray with parchment paper. Set the tray aside.
In a large bowl, beat the brown sugar and butter together until light and fluffy. Scrap down the sides of the bowl to ensure the butter is well-mixed.
Add the powdered pudding mix to the bowl along with the vanilla and eggs. Blend everything together for 3 minutes. You want to really beat the eggs and pudding into the butter well.
Add the flour, baking soda, and salt to the bowl and stir everything together slowly. The batter will be thick and smooth.
Stir in the semi-sweet chocolate chips by hand.
Scoop the cookie dough onto the prepared baking sheet tray making 3 tablespoon-sized cookie dough balls. You can use a measuring spoon or a cookies scoop to make perfectly sized cookies.
Bake the cookies for 11- 13 minutes. The edges of the cookies will be slightly brown (very light!) around the edges and the top of the cookies will no longer look wet.
Let the cookies cool for 10 minutes on the baking sheet tray before moving them to a cooling rack.