- 
 Combine 
all the sauce ingredients in a small bowl. Mix well and set aside.
 - 
 Preheat 
the peanut oil in a medium pan on high heat. Add in and stir-fry the sliced 
sweet onion for about 1 minute or until fragrant. Add the eggplant and stir 
well. 
 
- 
Add the salt and continue to stir for about 10 
more minutes. 
 
- 
When the eggplant is almost cooked, add the 
minced garlic, the minced ginger, the black pepper, and the dried pepper. 
Stir-fry for few more minutes. 
 
- 
Next, add  tofu and the chopped scallion. 
Stir gently. 
 
- 
Last, add the sauce mixture and lower the heat. 
When the sauce thickens, the dish is ready.
 
- 
Transfer the stir-fried 
eggplant into a plate.
 
                            
                            Garnish:
{Sprinkle 
the scallion and red chili pepper on top.