Creating Chinese Crispy Chilli Chicken can be straightforward if you follow these simple steps:

1. Marinate the Chicken: In a bowl, combine the chicken pieces with soy sauce, salt, pepper, garlic powder, and ginger powder. Allow it to marinate for at least 15 minutes.
2. Prepare the Coating: In a shallow dish, add the cornstarch. In another bowl, whisk the eggs until well beaten.
3. Coat the Chicken: Take each marinated chicken piece, dip it into the cornstarch, ensuring it’s well coated. Then, dip it into the egg mixture.
4. Heat the Oil: In a deep pan or wok, heat enough vegetable oil for frying over medium-high heat.
5. Fry the Chicken: Once the oil is hot, carefully add the coated chicken pieces in batches. Fry until golden brown and crispy, about 5-7 minutes. Remove and drain on paper towels.
6. Make the Sauce: In a separate pan, combine the sweet chilli sauce, rice vinegar, and chopped chillies over medium heat. Stir well and let it simmer for 2-3 minutes.
7. Combine Chicken and Sauce: Add the crispy chicken to the sauce and toss to coat evenly.
8. Garnish: Transfer the sauced chicken to a serving dish and garnish with sliced green onions and sesame seeds if desired.

These steps will guide you in creating this incredible dish effortlessly.