For those days you just want to make one cookie... 1 tbsp. butter, melted 1 tbsp. white sugar 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 yummmm