主要食材：去皮山药200克，大米300克，牛奶或者清水200克，白糖80克，面粉150克，酵母粉3克，红枣黑芝麻少许。 Main ingredients: 200g peeled yam, 300g rice, 200g milk or water, 80g white sugar, 150g flour, 3g yeast powder, and a small amount of red dates and black sesame seeds.