I have made this for 3 potlucks in the last 3 months (3 non-overlapping groups):
http://allrecipes.com/recipe/asian-pasta-salad-with-beef-broccoli-and-bean-sprouts/
I simplify it a little. I make whole wheat rotini pasta (about 13 ounces), add about 3 medium crowns of broccoli cut into bite-size pieces, buy one 3-pack of red/orange/yellow bell peppers cut into bite-size pieces and then make the dressing. It has been a HUGE hit and very popular at all 3 occasions. I mix up the dressing the night before and put it in a jar. I mix the rest and put it in the serving bowl and chill overnight. I then shake and add the dressing just before serving.