Cook butter in a saucepan over medium heat till it starts to turn golden brown, stirring occasionally. Add the brown sugar. Remove from heat and let cool for 5-10 minutes.
Pour butter/sugar mixture into a mixing bowl. Whisk in the egg and vanilla. Add the dry ingredients and mix together. Stir in the zucchini and chips.
Spread batter in a well greased 9x13" pan.
Bake in a preheated 350° oven for about 30 minutes or till the middle is set.