Beef and Mustard Pie

Beef
British
Meat
Pie
Beef and Mustard Pie
Beef1kg
Plain Flour2 tbs
Rapeseed Oil2 tbs
Red Wine200ml
Beef Stock400ml
Onion1 finely sliced
Carrots2 chopped
Thyme3 sprigs
Mustard2 tbs
Egg Yolks2 free-range
Puff Pastry400g
Green Beans300g
Butter25g
Saltpinch
Pepperpinch