>> source: https://www.thespruceeats.com/what-is-mirepoix-996133
>> serves: 4 oz

Traditional mirepoix consists of two parts @onions{2%oz}, one part @carrots{1%oz}, and one part @celery{1%oz}, with the proportions determined by weight. Therefore, one pound (16 oz) of mirepoix would be made up of 8 ounces of onions, 4 ounces of carrots, and 4 ounces of celery.