Leaven chinese crullers recipe @ 'ham chim peng'

Ingredients

• A)
• 650 g all purpose flour
• 1-1/2 tspn baking powder
• 1/4 tspn baking soda
• 2 tspn salt
• 2 tspn five spice powder
• 250 g starter dough
• 1-1/2 cups water
• a pinch of ammonia
• 1 tspn alkaline water
• 3 tbsp butter