In a small bowl, beat the eggs and mix in the soy sauce, brown sugar, oyster sauce, baking soda, cornstarch, vinegar. Whisk very well until smooth, and everything is thoroughly incorporated.
2 eggs , 1½ tbsp Soy sauce , 1 tbsp Brown sugar , 1 tbsp Oyster sauce , Pinch baking soda , ¼ tsp cornstarch , 1 tsp vinegar