This is yummy and relatively cheap.
I don't currently have any dried hot chilies, so I use one med. sized fresh jalapeno pepper. I also use canola oil. Use a mixture of oyster sauce and soy sauce. This is a great flavorful recipe and is worth the time. I always cook brown rice, and while the rice is cooking you can prepare the fresh veggies. It is so delicious that we only have enough left for one person's lunch.
I may add a few drops of seseame oil and/or hot oil to give the dish a little more heat than the jalapeno provides. The dish is nicely colorful, too, with green and orange from the veggies. I have made the dish with both chicken and shrimp and like it both ways.