Chicken Liver Parfait with Chestnut Biscuits

Ingredients

• 200 gm trimmed chicken livers
• 250 ml milk (1 cup)
• 1 tbsp olive oil
• 1½ golden shallots, diced
• ½ garlic clove, finely chopped
• 2 thyme sprigs
• 65 ml tawny (see note)
• 60 ml apera (see note)
• 30 ml brandy
• 200 gm butter, diced
• 3 small eggs
• 6 chestnuts
• 1-2 tbsp pouring cream (optional), to thin
• To serve: micro-cress (optional)
• Chestnut biscuits
• 125 gm softened butter
• 40 gm demerara sugar
• 3 tsp milk
• 95 gm plain flour
• 90 gm chestnut flour (see note) (1 cup)
• ½ tsp baking powder