Preheat the oven on 350 F.

Sift the brownie mix into a large bowl, then add in 1/4 cup water, 1/4 cup vegetable oil, and 1 large egg.

Mix the ingredients until smooth, then add in 1/4 cup of chocolate chips, and fold in.

Set the batter to the side.

Add the chocolate chip cookie mix into a large bowl, then add in 1 large egg, and 3/4 stick of butter.

Mix the ingredients until it forms into cookie dough.

lightly oil a 8x8 brownie pan.

Pour in the brownie batter, then spoon out the cookie dough into the brownie batter ( I hope that makes sense!)

Next insert the Oreos about half way.

Sprinkle the chocolate chips on top of the brownie/cookie batter.

Bake for 30-35 minutes.

Let the brownies cool completely, then cut into desired shapes & sizes.

Serve & enjoy!