Beef and beer pie

Beef and beer stew

• 40 g olive oil
• 600 g beef (for stewing), cut into cubes (2 cm)
• 1 tsp salt
• 2 pinch ground black pepper
• 150 g brown onion cut into pieces
• 15 g cornflour
• 250 g water
• 150 g leek cut into slices
• 330 g dark beer
• 1 tsp fresh thyme leaves only
• 1 tbsp Worcestershire sauce
• ½ tsp Meat stock paste (see Tips)

Pastry and assembly

• 150 g plain flour
• 65 g butter cold, cut into cubes
• 1 egg
• ½ tsp salt
• 1 egg yolk lightly whisked, for glazing