Vanilla custard cream buns without oven

Vanilla custard cream buns without oven


Vanilla cream:

250g Milk 50g Sugar
20g Butter
3 Egg yolk
20g Corn flour
1/2 Teaspoon vanilla paste

Dough ingredients:
200g All purpose flour 25g Sugar
3g Instant yeast
1 Egg yolk 100g Warm milk
20g Butter