2 garlic cloves, crushed
2 leeks, trimmed and cut into 1cm/½in slices
450ml/16fl oz chicken stock
55g/2oz plain flour
350g/12oz plain flour, plus extra for dusting
sea salt flakes and freshly ground black pepper
75²µ/2¾´Ç³ú butter
200g/7oz butter
150ml/5fl oz double cream
1 free-range egg, beaten with 1 tbsp cold water, plus 1 free-range egg, beaten, to glaze
200ml/7fl oz milk
3 chicken breasts, skin removed
150g/5½oz piece thickly carved ham, cut into 2cm/¾in chunks
2–3 tbsp white wine (optional)