4 gratin mustard fraiche Recipes

whole chicken (jointed, about 2 to 3 kilos in wieght), cognac (1/3 glass), dry white wine (1 1/2 glasses), smoked paprika, creme fraiche, grated cheddar cheese (or any other hard cheese such as ( emmental, comte, cantal or tomme de savioe), dijon mustard, breadcrumbs, vegetables or 2 tbsp peanut oil, caster sugar, flour, salt & pepper

waxy potatoes, celeriac, sliced, garlic clove, finely sliced, butter, for greasing, chicken stock, creme fraiche, mustard, seeded, dijon mustard, black pepper

potatoes, leeks, streaky bacon, mature hard cheese (cheddar is good), chicken stock, butter, mustard seeds, creme fraiche, sea salt, black pepper, fresh sage leaf