Creating Hot Orange Chicken Panda Express can be straightforward if you follow these simple steps:

1. Marinate the Chicken: In a bowl, combine the chicken pieces, egg, soy sauce, sesame oil, garlic powder, ginger powder, and red pepper flakes. Let it marinate for at least 15-20 minutes.
2. Prepare the Coating: Place the cornstarch in a shallow dish. Dredge each piece of marinated chicken in the cornstarch, ensuring they are fully coated.
3. Heat the Oil: In a large skillet or wok, heat enough vegetable oil over medium-high heat to submerge the chicken pieces.
4. Fry the Chicken: Once the oil is hot, carefully add the coated chicken pieces. Fry in batches to avoid overcrowding the pan. Cook for about 5-7 minutes or until golden brown and crispy. Remove and drain on paper towels.
5. Make the Sauce: In a separate saucepan, combine the orange juice, granulated sugar, soy sauce, rice vinegar, and chili paste (if using). Stir well and bring to a simmer over medium heat. Cook for about 5 minutes until the sauce slightly thickens.
6. Combine Chicken and Sauce: Once the chicken is fried and the sauce is ready, add the chicken pieces to the saucepan. Toss to coat evenly in the sauce.
7. Garnish: Remove from heat and garnish with chopped green onions for added flavor and presentation.

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