Sweet and Sour Tofu

2 containers of firm tofu, drained
¼ cup soy sauce
¼ cup brown sugar
½ cup water
1 clove garlic, crushed
2 TBSP ketchup
¼ cup apple juice
1 green/spring onion, sliced
1 TBSP lemon juice
1 TBSP cornstarch
2 TBSP cold water

Combine all ingredients and simmer for 20 minutes. Remove tofu and onion to serving dish. Add a mixture of 1 TBSP cornstarch dissolved in 2 TBSP cold water to sauce, stirring constantly until thickened.
Pour over tofu and serve.