Making Chicken Zucchini Stir Fry is straightforward. Follow these steps for a flawless dish:

1. Prep the Ingredients: Slice the chicken, zucchinis, bell pepper, and onion. Mince the garlic.
2. Marinate the Chicken: In a bowl, combine the sliced chicken with soy sauce, oyster sauce, salt, and pepper. Let it marinate for about 10 minutes.
3. Heat the Pan: In a large skillet or wok, heat 2 tablespoons of vegetable oil over medium-high heat.
4. Cook the Chicken: Add the marinated chicken to the pan in a single layer. Cook until browned, approximately 5-7 minutes. Remove the chicken from the pan and set aside.
5. Stir Fry the Vegetables: In the same pan, add a drizzle of sesame oil. Add onions, bell peppers, and zucchinis along with the garlic. Stir-fry for 3-5 minutes, or until the vegetables are tender but still crisp.
6. Combine Everything: Return the cooked chicken to the pan and toss with the vegetables. Stir everything together for another 2-3 minutes to heat through.
7. Adjust Seasoning: Taste and add more soy sauce, salt, or pepper as needed.
8. Serve Immediately: Serve hot over cooked rice or noodles, garnished with sesame seeds or green onions if desired.

These simple steps will lead you to a perfect Chicken Zucchini Stir Fry every time.