Caramelised shallot tart

Ingredients

• 5 shallots, peeled
• 25g butter
• 25g brown sugar
• 100g puff pastry
• 50g slice soft goats cheese
• 1 egg, lightly beaten
• salt and freshly ground black pepper
• 250g butter, diced and chilled
• 2 shallots, finely chopped
• 2 tbsp white wine vinegar
• 2 tbsp white wine
• 2-3 tsp whipping cream
• squeeze of lemon juice
• pinch cayenne pepper
• 1 tbsp chopped chives