Do You Have Minced Beef?

Ingredients:
- 350g all-purpose flour
- 100ml milk
- 150ml hot water
- 30g vegetable oil
- 3g salt

FILLING
- 500g minced beef
- 150g onion
- 5g salt (1 tsp)
- 10g soy sauce
- 10g vegetable oil
- black pepper