Preheat oven to 350 and partially melt the stick of butter in the microwave for 15 to 20 seconds. Cream together the butter and sugars in a stand mixer or with a handheld mixer.
Add the egg and vanilla and mix until just incorporated
In a separate bowl, combine the flour, baking soda, and salt and then pour into the batter. Mix together until incorporated.
Mix in the chocolate chips. I prefer less chocolate chips in my cookies, so I use 1/2 cup. Use 1 cup if you prefer more chocolate.
Bake for 8 to 10 minutes, until fluffy and barely golden brown. Place on a cooling rack and allow to cool completely.