EASY CHICKEN ASADO SIOPAO

Ingredients: 1 cup lukewarm water 1/4 cup white sugar 1 1/2 tsp instant yeast 2 tbsp cooking oil 3 cups cake flour For filling: 1/4 kilo chicken salt pamintang buo dahon ng laurel onion garlic 1 tbsp soy sauce 1 tbsp oyster sauce 1 tbsp brown sugar paminta powder cornstarch slurry nilagang itlog ( optional )