Preheat the oven to 350 degrees.

Line a 13x18 sheet pan with parchment paper.

In large bowl, beat together the butter and sugars about 2 minutes and is smooth.

Add in the eggs and vanilla and mix just until combined.

Add in the flour, baking soda and salt and mix together just until incorporated - do not over mix.

Add the bag of chocolate chips in and stir with a wooden spoon, again not over mixing, just until incorporated.

Spread thick cookie dough out evenly onto the baking sheet. Spread out with fingers or spray a rubber spatula with non-stick spray. Sprinkle mini chips to the top of the dough.

Bake at 350 degrees for 20 to 25 minutes or until golden brown. Cool in pan on wire rack. Makes 3-4 dozen bars.