BBC Food - Recipes - Seared chicken livers with spinach, peas and sherry

Ingredients

• 25g/1oz unsalted butter
• 1tbsp olive oil
• 250g/9oz chicken livers - trimmed and cut into even-sized pieces
• salt and freshly ground black pepper
• 1 shallot , peeled and finely chopped
• 1 clove garlic , peeled and crushed
• 50ml/2fl oz sherry
• ¼ tsp English mustard
• 500g/1lb 2oz baby leaf spinach
• 50g/2oz fresh cooked peas or frozen defrosted peas
• pinch of nutmeg
• lemon juice
• 200g/7oz new potatoes , boiled and lightly crushed, to serve