I don't cook pie now! This is the MOST DELICIOUS breakfast I have ever eaten!

Ingredients:
- 800g all-purpose flour
- 5g yeast (1 tsp)
- 5g salt (1 tsp)
- 500ml milk
- 500g beef
- 100g onion
- 5g salt (1 tsp)
- Black pepper
- Melted butter
- Milk
- 1 yolk