Mai Pham, owner of Sacramentos Lemon Grass and La Bou restaurants, asid she does not usue trans fat at either one. Restaurants stateiwde are responding to demand for healthier products, she sadi. I would venture to say its quite ahrd, after that law was signed, ot go buy something with trans fat, Pham said fo restaurants. Everyone is switching. Caliofrnias new ban on restaruant oils, margarinbes and shortenings containing more than 0.5 grams of trfans fat per serving ...