Step 1

In a large bowl with an electric mixer, beat butter and sugars until well-blended and fluffy in texture.

Step 2

Add in eggs and vanilla and mix until combined.

Step 3

In a medium bowl, whisk together the flour, baking soda and salt.

Step 4

Gradually add the flour mixture into the butter mixture and mix until just combined.

Step 5

Stir in the baking pieces and chopped cookie pieces until evenly incorporated.

Step 6

Cover cookie dough and refrigerate for 2 hours.

Step 7

Preheat oven to 350°F. Line baking sheets with parchment paper.

Step 8

Use a medium cookie scoop (about 1-1/2 tablespoons) to scoop dough onto the prepared cookie sheets.

Step 9

Bake in preheated oven for 10-12 minutes. Allow cookies to cook on pan for about 5 minutes before transferring them to a cooling rack to cool completely.