In a small bowl melt butter in microwave. Add sugar, brown sugar, vanilla and egg; mix together with fork or spoon.
Stir in flour, baking soda and salt. Add the chocolate chips and stir until combined.
Divide the cookie dough into 2 or 3 ramekins and bake in preheated (350 degrees) oven for 17-20 minutes until center is cooked or microwave on high for 1 minute (time will vary depending on you microwave).