In a mixing bowl, pour cooked water over broccoli until covered and let stand for 10 minutes. Transfer to colander and rince under cold water for a few minutes. Let stand to drain. In a mixing bowl, combine the Ham, Cheese and Onion and add the florets. Mix the Mayonaise and condensed milk together and ad to salad 5 minutes before serving. Toss to coat. Arrange on salad bowl and serve.