Preheat the oven to 350°F (175°C)
In a large mixing bowl, blend softened butter with brown sugar until light and fluffy,
Add egg and vanilla extract into the butter mixture, stirring until uniform consistency.
Combine all-purpose flour, cocoa powder, baking soda, and salt in a separate bowl
Gradually fold the dry ingredient mixture into the wet ingredients, stirring gently
Add cherries and semi-sweet chocolate chips, fold them into the dough distributing evenly throughout the mixture.
Using a cookie scoop or spoon, drop a portion of dough onto the baking sheet, leaving some space between each cookie
Top cookies with chopped cherries and chocolate chips and bake for 13-15 minutes, until slightly crisp edges Remove cookies from the oven and allow them to rest on for 2-3 minutes
Transfer the cooled cookies to a wire cooling rack, letting them cool completely for their final texture and flavor profile.