She made some eggs poached in chicken broth for breakfast.

poached 是动词 poach 的过去分词形式。poach 的意思是"水煮（蛋）"，特指将蛋打入沸水中煮至蛋白凝固而蛋黄保持液态的烹饪方法。poached eggs 就是指"荷包蛋"。