Char Siu Puff - Southeast Asian Recipes - Nyonya Cooking

Ingredients

• 1 onion
• 1 tbsp vegetable oil
• 3 tbsp oyster sauce
• 2 tbsp sugar
• 1 tsp sesame oil
• 1 tsp dark soy sauce
• 2 tsp cornstarch
• 340 g char siu
• 200 ml chicken stock
• 340 g plain flour
• 120 g unsalted butter
• 0.5 tsp salt
• 0.5 tsp sugar
• 0.5 tsp baking powder
• 90 ml water
• 1 ml egg white
• 1 egg yolk
• 1 tsp water
• sesame seeds