Chinese Eggplant Toast

Name: Chinese Eggplant Toast
Prep time: 900 s
Cook time: 1500 s
Total time: 2400 s
Yield: 2
Ingredients: 1 large eggplant; 1/4 cup soy sauce; 1 tbsp minced garlic; 1 tbsp minced ginger; 1 tbsp green onion stem; 1 tsp oyster sauce; 1 tsp rice vinegar; 1/2 tsp fish sauce; 1/2 cup water; 1/2 tsp sesame oil; sourdough bread; Ricotta cheese; 1 thai chili pepper