Mix 2 teaspoons cane sugar, Sea salt, ⅛ teaspoon Chinese five spice, ¼ teaspoon sesame oil, ¼ teaspoon rice vinegar, Ground black pepper, ½ teaspoon ginger garlic paste, 1 teaspoon maple syrup, 1 teaspoon dried shiitake powder, 1 teaspoon chilli sauce, 1 teaspoon dark soy sauce, ¼ teaspoon ground mustard powder, and 1 teaspoon mushroom stir-fry sauce* in a bowl. Slather over a block of 180 g extra firm tofu and leave it to marinade for at least 30 minutes, or up to overnight.
Once marinated, heat the oven to 200℃ (392℉). Once again cover the tofu with sauce. On a baking tray covered in foil, cook the tofu for 10 minutes. After 10 minutes, spoon over the remaining marinade. repeat this process two more times — cook for a total of 30 minutes.
Remove the tofu char siu from the oven the slice. Set aside.
Make the Kombu Dashi Broth
Add 1 litre water to a large saucepan along with 10 g kombu dashi. Cook the kombu over low heat at a simmer. Remove the kombu just before the water bowls. Discard.
Add 400 g canned plum tomatoes, 2 teaspoons red chilli powder, 1 teaspoon chilli sauce, 1 teaspoon tomato puree, 1 tablespoon light soy sauce, and Sea salt to the saucepan. Simmer while you prepare the toppings.
Make the Toppings
Roast 100 g cherry tomatoes at 180℃ (356℉) for 30 minutes, or until slightly charred. Remove and drain any juices into the broth. Set aside.
Make the garlic chips. In a small frying pan, heat 2 tablespoons oil. Once hot, add 6 cloves garlic and sauté until they are browned. Drain on a kitchen towel and set aside.
Cook 160 g courgette. In a large frying pan, add a drizzle of oil. Cook the courgette until soft and set aside.
In a large pan, heat salted water until boiling. Cook 4 nests ramen noodles according to package instructions, then drain.
Serve the ramen. Arrange the noodles, 1 piece baby bok choy, per bowl, 120 g beansprouts, sliced tofu char siu, courgette, and roasted cherry tomatoes in a large ramen bowl. Pour the broth over the ingredients through a sieve (to remove impurities). Top with 2 spring onions.