Set oven to 350 degrees Fahrenheit (unless you plan on chilling the dough first).
Cream the butter, shortening, and white sugar until thoroughly mixed, 3-5 minutes.
Add the brown sugar, eggs, and vanilla extract. Mix well.
Sift together the flour, baking soda and salt.
Slowly add flour mix to the butter and sugar mixture, mix until the batter is smooth. If the batter sticks to your finger, add more flour until it doesn’t.
Cut 200g (7oz) Marabou Milk Chocolate into desired sized pieces and add them to the dough. If using chocolate chips, add half a bag.
Line a cookie sheet with parchment paper.
Shape dough into 1 to 2 inch balls.
Place dough balls on cookie sheet, two inches apart.
Skip to step 13 if you don't want to chill the dough.
Cover cookie sheet with plastic wrap and chill for 1-2 hours in refrigerator.
Preheat oven to 350 degrees Fahrenheit.
Take out your chilled dough, remove the plastic wrap, and place cookie sheet in the oven.
Bake for 10-12 minutes, depending on how soft you like your cookies.
Let cookies cool for at least 10 minutes.
Pour yourself a glass of cold milk, grab a cookie, and get cozy.