Slice the lamb and serve in deep dishes with the broth, vegetables and pasta. Pass around the dish of caper sauce. Caper sauce
Melt the butter, add the flour. Cook for a minute or two. Whisk in the liquid, bring to the boil and simmer for 5 minutes. Stir in the cream, capers, basil/parsley, salt and black pepper and taste, correct seasoning. The sauce should have the consistency of thin cream.