Step 1: Preheat your oven to 350°F (175°C).
Step 2: Line your baking sheets with parchment paper.
Step 3: In a large mixing bowl, beat the softened butter with the packed brown sugar and vanilla extract until light and fluffy.
Step 4: Add the eggs one at a time, mixing well after each addition.
Step 5: In a separate bowl, whisk together the flour, baking soda, baking powder, cocoa powder, and salt.
Step 6: Gradually add the dry ingredients into the wet mixture, stirring until just combined.
Step 7: Fold in the chopped BAKER'S Semi-Chocolate and white chocolate chips. Add nuts if using.
Step 8: Using a cookie scoop, drop heaping spoonfuls of dough onto the prepared baking sheets.
Step 9: Bake for 10-12 minutes, or until the edges are set but the centers look soft.
Step 10: Allow the cookies to cool on the baking sheets for a few minutes before transferring to a wire rack.