one cookie in microwave

For those days you just want to make one cookie...... 1 tbsp. butter, melted; 1 tbsp. white sugar and 1 tbsp. brown sugar; 3 drops of vanilla; pinch of salt; 1 egg yolk; 1/4 c. flour; 2 tbsp. chocolate chips - MICROWAVE 40-60 SEC IN A CUP OR BOWL. {single serving} deep dish chocolate chip cookie It's like a hug from home.