Cantonese Sweet And Sour Stir Fry With Tofu And Vegetables

Name: Cantonese Sweet And Sour Stir Fry With Tofu And Vegetables
Ingredients: 1 package Tofu (drained and squeezed dry); 1 large Onion (cubed); 1 Bell pepper (cubed); 1 cup of florets Broccoli; 1 Carrot (cubed); 1 cup Pineapple; 3 Red chili pepper (sliced lengthwise); 1 TSP Corn flour; 1 TSP Plain custard powder; ½ TSP Salt; Pepper powder – to taste; 2 tbsp Water – (just enough to make a paste); 3 tbsp All purpose flour–; 3 tbsp Corn flour; 2 tbsp Rice flour; 4 tbsp Ketchup; 3 tbsp Chili sauce; 3 tbsp Plum sauce substitute with 1 tbsp ketchup (2 tsp vinegar and 1 tsp brown sugar); 2 tbsp Soy Sauce; 1 tbsp Sugar; 2 tbsp Water