Mix all ingredients above in a bowl
palce into a prepared 9x13" baking pan
Bake at 375 degrees for 35-40 minutes (checking after 30 minutes, tehn every 5 minutes until set and done)
Remove from oven and cool completely
Frosting: ½ cup butter, 3 cups powdered sugar, 1.5tsp vanilla, 3 tbsp milk.
Pour frosting over the brownies/cake and smooth out.