Penn Station Cookie Recipe - Recipe Tweets

Ingredients

• 1/2 cup of unsweetened cocoa powder
• 1 pinch of kosher salt
• 1/2 teaspoon of pure vanilla essence or extract
• 3/4 cup of semi sweet chocolate chips
• 1 egg
• 1/2 cup of unsalted butter
• 3/4 cup of white granulated sugar
• 1 cup of self-raising flour