Stir-Fried Beef, Broccoli, and Yams

http://www.epicurious.com/recipes/food/views/Stir-Fried-Beef-Broccoli-and-Yams-352549

This was good. I only used 1/2 tsp brown sugar and swapped oyster sauce for fish sauce. DH liked it a lot. But he'll give high ratings to anything with beef in it, I swear.