Beef with Thai Basi

Makes 3-4

ingredients

1 lb.flank steak or choice top sirlon sliced thin across grain about 1 inch wide and 3 inch long
2 tab cornstarch
2 tab water
2 tab oil
1 tsp minced garlic
1 jalapeno chili, seeded and sliced lengthwise
1 tab oyster sauce
1 tab fish sauce
1 tab soy sauce
1/2 cup loosely packed thai basil leaves
3-5 roma tomatoes, seeded and cut into thin wedges
3 tab chicken stock
2 cups broccoli, stemmed and cut into bite size pieces