Sherill,this is a sauce recipe that I use regularly. It's very simple,and
tastes great with just about anything you stir-fry.
It also doubles well.( I've also done this for 75 people)

1/3 cup water
2 tsp. cornstarch
2 TBSP. soy sauce
1 TBSP. dry sherry

Mix all ingredients well. Stir-fry your vegetables and meat ( if using).
Put all back into wok or pan and stir sauce and add to pan.
Cook, stirring often until sauce thickens.
Tastes Great!!!!
This comes from a Better Homes and Gardens --Cooking Chinese.
If you want the whole Mix - and - Match stir-fry recipe, just let me know.
Enjoy!