Use a small amount of the broth, in a separate bowl, to whisk in the starch until completely blended and smooth. Set aside.
Combine all ingredients, except the cornstarch, in a large pot or pan, cover and bring to a boil.
Once you have a nice rolling boil, remove the lid and continue to cook over medium to medium-high heat.
It's done cooking when the shrimp are cooked through and the green beans are cooked to your liking.
Now, slowly stir or whisk in the starch slurry, being sure to stir constantly as you add it to the pot. You should see a slight thickening in the broth.
Wonderful served over brown rice.
Please note that the nutrition data given here is a ballpark figure. Exact data is not possible.