Sweet and Sour Pork - Cook with Olivia

Name: Sweet and Sour Pork - Cook with Olivia
Cuisine: Asian
Ingredients: 500 g pork ribs, chopped into bite-sized pieces (4-5 cm); 2 tsp corn flour; 30 g yellow capsicum, cut into triangles; 30 g green capsicum, cut into triangles; 30 g red capsicum, cut into triangles; 1 big red onion, cut into small wedges & separated; 20 g plum sauce; 70 g tomato sauce; 10 g chili sauce; 10 g white rice vinegar/japanese sake; 100 g water; 20 g rock sugar