Anchovies With Chinese Pressed Tofu ( 豆乾 )

I get this recipe from nice aunty who worked in the neighborhood restaurant. I only asked what kind of sauce did she use, and she told me the whole recipe. Thank you aunty.

Ingredients:
50 g fresh headless anchovies
50 g pressed firm tofu ( 豆乾/dou gan )
5 sweet green chili
3 red chili
1 tbsp minced garlic
1 tbsp fermented black bean ( 豆豉 /dou ci)
2 tbsp dark soy sauce
salt and sugar to taste

-Deep fry anchovies till dry, set aside. Heat 1 tbsp oil and saute garlic, add sliced pressed tofu stir till tofu turned yellowish. Add black bean, sliced chillies and anchovies. Season with soy sauce, salt and sugar.