Slice zucchini 0.25 cm diagonally.
Cut brocolli into flourets.
Cut capsicum 1 cm strips.
Mix cornstarch, soy sauce and sate sauce and set aside.
Add onion, carrot, capsicum and broccoli, saute quickly, keeping it moving, about 2 minutes. When broccoli is bright green, add snowpeas and garlic and cook for 2-3 minutes more. broccoli should be tender and pea pods a bright green.
Toss through bean shoots.