Classic Cranberry Chestnut Stuffing This Trader Joe's mirepoix is a traditional mix of onions, carrots and onions and is used as a base for sauces and dishes You normally cook it in butter or oil to bring out all the flavors This is found Read More → Trader Joe's Kalamata Olive Oil, Extra Virgin There are 30 calories in 3 oz (85 g) of Trader Joe's Mirepoix Get full nutrition facts for other Trader Joe's products and all your other favorite brands What three ingredients are used in mirepoix