General Tso's Chicken Pizza

Name: General Tso's Chicken Pizza
Prep time: 30 min
Cook time: 25 min
Total time: 55 min
Cuisine: Chinese, American
Ingredients: 2¾ cups pizza flour ((350 g)); 1½ tsp salt; 0.5 oz fresh yeast ((15 g)); 3 tsp sugar; ⅘ cup warm water ((190 ml)); 2 tbsp soy sauce; 1 tbsp hoisin sauce; ½ tbsp rice vinegar; 2 tbsp brown sugar; 2 tsp chili sauce or chili paste; 2 tsp cornstarch; ½ cup chicken stock/broth; dash of black pepper; 1½ tsp grated ginger; 1 clove garlic ((grated)); ½ tsp chili flakes ((for frying)); 1-2 cup vegetable oil; 0.7 lbs boneless and skinless chicken breast ((300 g or 10.5 oz)); ¾ cup cornstarch; 1 cup tomato passata; 1 tsp sugar; 1 tsp dry oregano; 2 tsp olive oil; ½ finely sliced spring onion; 3 cups grated Gouda cheese ((250 grams))