Preheat oven to 350 degrees and line 2 baking sheets with parchment paper or cooking mat.

In the bowl of your mixer, cream butter and sugar.

Add vanilla and mix to combine.

Add eggs, one at a time, mixing in between each addition.

In a separate bowl combine flour, cocoa, baking soda, baking powder and salt.

Gradually mix in flour with wet (butter and eggs) mixture.

Add chocolate chips and mint chips; stir to combine.

Scoop out 1 inch scoops and place them 2 inches apart on the baking sheet.

Bake for 8-9 minutes.

Cool completely.

In small microwavable bowl, microwave chocolate chips and shortening uncovered on high 1 to 1 1/2 minutes or until melted; stir until smooth.

Dip half of each cooled cookie into melted chocolate then sprinkle with mint chunks.

Place on waxed paper until chocolate is set.

Makes 4 dozen cookies