After years on the sidelines, eggs have brushed off high-cholesterol fears as Americans seek out more protein. Butter, for decades passed over for margarine, is back on the US breakfast table, too. Even cottage cheese, that chunky, polarizing epitome of old-school diet culture, is once more in the fridge.Orange juice is still waiting for its comeback.Consumption of OJ in the US—by far the beverage’s biggest m…

