Soften the butter using your preferred method.
In a bowl, mix together the softened butter, white sugar, and brown sugar.
Add the eggs, vanilla extract, salt, and baking soda. Mix until well combined.
Add the flour and mix until a dough forms.
Fold in the chocolate chips and broken-up chocolate bar.
Form the dough into large mounds on a parchment-lined baking tray.
Bake at 350°F for 15 minutes.
Cook it hands-free.
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