Crispy tofu in a black pepper sauce

800g firm tofu

cornflour (coarse)

150g butter

12 shallots, thinly sliced

4 red chillies, thinly sliced

12 garlic cloves, crushed

3 tbsp kecap manis sweet soy sauce

3 tbsp light soy sauce

4 tbsp dark soy sauce

3 tbsp minced fresh ginger

2 tbsp caster sugar

5 tbsp coarsely crushedblack pepper

16 spring onions chopped

rapeseed or other healthy vegetable oil