Tau sar piah

Ingrediënten

• 1 egg yolk
• 1½ tablespoons milk
• White sesame seeds, for sprinkling
• Mung bean filling
• 60 g (2 oz) split mung beans (without skins)
• 80 ml (⅓ cup) vegetable oil
• 2–3 red shallots, finely sliced
• 1½ tablespoons caster (superfine) sugar
• 1½ tablespoons soft brown sugar
• ½ teaspoon salt
• Water dough
• 100 g (⅔ cup) plain (all-purpose) flour
• 1 tablespoon caster (superfine) sugar
• 40 g (1½ oz) vegetable shortening
• Shortening dough
• 50 g (⅓ cup) cake flour
• 35 g (1¼ oz) vegetable shortening