Speedy sweet and sour crispy tofu recipe

Name: Speedy sweet and sour crispy tofu recipe
Ingredients: Sunflower oil, to fry; 396 g block firm tofu, drained, we used Cauldron; 6 tbsp. cornflour; 2 garlic cloves, crushed; 1/2 red chilli, deseeded and finely chopped, plus extra slices to serve; 2 mixed colour peppers, deseeded and roughly chopped; 4 tbsp. white wine vinegar; 3 tbsp. tomato ketchup; 2 tbsp. soy sauce; 1 tbsp. light brown soft sugar; 425 g tin pineapple chunks, in juice; 3 spring onions, finely sliced; 1 tbsp. sesame seeds; Sticky rice to serve, optional, see GH Tip