BBC Food - Recipes - Roast chicken croquettes with spicy tomato chutney

Ingredients

• 500g/1lb 2oz floury potatoes , peeled and cut into 2.5cm/1in cubes
• 3 free-range eggs
• 30g/1oz unsalted butter
• 5-6 tarragon leaves, finely chopped
• ½ lemon , zest only
• ½ tsp salt
• ¼ tsp freshly ground black pepper
• 200g/7oz leftover roast chicken
• 100g/3½oz breadcrumbs
• 100g/3½oz flour
• vegetable oil , for deep frying
• olive oil , for frying
• 3 shallots , halved lengthwise and then sliced
• 2 garlic cloves, finely chopped
• 2 tbsp sugar
• 1 tsp fennel seeds
• good pinch dried chilli flakes, to taste
• 1 tsp sea salt
• 1 tsp freshly ground black pepper
• 50ml/2fl oz red wine vinegar
• 8-12 soft tomatoes , roughly chopped