Step 1

Melt butter and set aside to cool.

Step 2

Sift together all dry ingredients.

Step 3

In a medium bowl, beat two eggs with the vanilla. Add in and gently stir dry ingredients. Pour the melted butter into brownie mixture and mix until just incorporated.

Step 4

Spread batter in a prepared 9x13 pan and bake for 15-20 minutes at 350°F.

Step 5

Use a toothpick to test the brownies and note that they will be thin. (I have removed them right at 15 minutes before.)  If when removed a few crumbs remain but there is no wet batter, the brownies are done.

Step 6

Set aside to cool.

Step 7

Heat oven to 350°F.

Step 8

In a medium bowl, sift together the flour, cocoa powder, cornstarch, baking soda, and salt and set aside. Don't skip this step!

Step 9

In the bowl of a stand mixer, cream together the butter and sugars until incorporated. There may be some small butter cubes and that is ok.

Step 10

Add in eggs one at a time and mix until incorporated.

Step 11

With the mixer on low, add in the dry ingredients. Mix until combined. (about 30 seconds) Cookie dough will be thick.

Step 12

Remove bowl from stand mixer and fold in 1/2 cup of semi-sweet chocolate chips.

Step 13

Flip brownies onto a cutting board and cut off hard edges on all sides and discard. (or have a little snack!)

Step 14

Cut the brownies into small bite-sized pieces. I found that about 1/2 inch across and wide was the perfect size. (I used 4 cups total which was about 3/4 of the brownies.) Fold into batter.

Step 15

Prepare cookie sheets with parchment paper.

Step 16

Using a scoop that holds about 2 tablespoons of batter, scoop out cookie dough onto baking sheet.

Step 17

Pick up each rounded cookie and dunk into a bowl with the remaining mini chocolate chips. Press the dough cookie into the bowl to flatten it and fully cover the cookie.

Step 18

Set the dough cookie on the sheet and repeat with remaining cookies. (You should be able to fit 8 on one sheet as the cookies do not spread too much.)

Step 19

Bake for 8-10 minutes. Allow cookies to rest on pan for at least 5 minutes.