Add eggs and vanilla to the butter mixture, beating well.
Bake for 10-12 minutes or until cookies are set.
Drop tablespoonfuls of dough onto the prepared baking sheets.
Enjoy these mint chocolate cookies with a glass of milk or your favorite hot drink!
Gradually add dry ingredients to the wet mixture, mixing until combined.
In a large bowl, mix flour, cocoa powder, baking soda, and salt together.
In another bowl, beat butter, brown sugar, and granulated sugar until creamy.
Let cookies cool on baking sheets for 5 minutes before transferring to wire racks to cool completely.
Preheat the oven to 350°F (175°C). Line baking sheets with parchment paper.
Stir in the mint chocolate chips.