Preparation Steps

• Preheat oven to 375°F (190°C).
• In a bowl, cream together the softened butter, granulated sugar, and brown sugar until smooth.
• Beat in the egg yolk and vanilla extract.
• In a separate bowl, whisk together the flour, baking soda, and salt.
• Gradually add the dry ingredients to the wet ingredients, mixing until just combined.
• Stir in the chocolate chips.
• Drop by rounded tablespoons onto a baking sheet lined with parchment paper.
• Bake for 9-12 minutes, or until the edges are golden brown.
• Let cool on the baking sheet for a few minutes before transferring to a wire rack to cool completely.