for the brownie batter dough: melt the chocolate chips and butter together over very low heat, don't get any water in it or the chocolate will seize, once melted let it cool
meanwhile, whisk together the flour, cocoa powder, dry instant coffee, salt, and baking soda
in a separate bowl beat the egg and the sugar until it's light yellow
stir the chocolate into the eggs and well combined
then fold in the flour just until combined
cover and refrigerate until ready to use
whisk together the flour, salt, and soda, set aside
cream the butter and both sugars until fluffy
add the egg and vanilla and mix well
stir in the flour until combined
add the chocolate chips
Chill the chocolate chip cookie dough alongside the brownie cookie dough until both are well chilled
To Make Brookies: prehat the oven to 350° and line two baking sheets with parchment paper
scoop out the chocolate chip cookie dough into 18 pieces repeat with the brownie cookie dough set them beside the chocolate chip cookie dough
quickly roll each set into a ball with your hands, and place it back onto the cookie sheet seam side up to ensure that both brownie dough and cookie dough can be seen, flattening slightly
bake for 12-14 minutes until the edges are browned and the center is not totally set
let them cool on the cookie sheet for about 5 minutes to set up and then transfer to a baking rack to cool