Chocolatechic

1 1/3 c. cocoa

2/3 c. flour

½ tsp. salt

1 ts. vanilla

4 eggs

1 c. sugar

1 c. brown sugar

1 c. butter, melted

Preheat oven to 350º.  Whip eggs in a stand mixer with the whisk attachment.  Add vanilla.  Switch tot he beater bar and add the sugars and mix to combine.  Add the butter and the combined dry ingredients in 3 alternating batches starting with the wet and ending with the dry.  Pour into a 9×13 greased pan.  Bake for 30-35 minutes.