- 1 tbsp butter
- 4 lambs' kidneys, trimmed and cut into chunks
- 1 tsp Worcestershire sauce
- 2 tsp tomato purĂŠe
- 2 tsp lemon juice
- 1 tsp English mustard powder
- pinch cayenne pepper
- salt and freshly ground black pepper
- 2 slices white bread, toasted
- 1 tbsp chopped fresh flatleaf parsley
- Heat a frying pan until hot, then add the butter and kidneys and fry for 2-3 minutes, until golden-brown all over.
- Place the Worcestershire sauce, tomato purĂŠe, lemon juice, mustard powder and cayenne powder into a bowl and whisk together well.
- Pour the dressing onto the kidneys and stir well to combine. Cook for a further minute or two, until the kidneys are completely cooked through. Season, to taste, with salt and freshly ground black pepper.
- To serve, place the toast onto two plates and top each slice with the kidneys and pan juices. Garnish with flatleaf parsley.