Yolk Pastry

Salted Egg Yolk Pastry ingredients:
Red bean paste:
Red beans: 200 g
Water: 700 g
Soda ash or baking soda: 1/8 tsp
Oil: 120 g
Dark brown sugar: 100 g
Salted duck eggs: 10
Pastry dough:
Water dough:
All purpose flour: 100 g
Water: 55 g
Sugar: 15 g
Unsalted butter: 35 g
Oil dough:
Unsalted butter: 60 g
All purpose flour or cake flour: 90 g
Egg yolks: 2
Black sesame seeds
Preheated oven 375°F/190°C bake for 18-20 minutes.