Trim and discard tough ends from broccoli stalks.
Cut stalks into thin slices.
Separate heads into flowerets.
Heat Oil in large skillet.
Add broccoli, zucchini, onion and red pepper.
Stir-fry over medium-high heat about 5 minutes, or until broccoli is tender-crisp.
Stir-fry 1 minute longer, or until mushrooms are tender.
Stir in sunflower seeds and soy sauce.