Gently warm the honey, miso, pepper & salt together until fully combined
Pass through a fine sieve & reserve
Method for sweet potato
Wrap the sweet potatoes in buttered foil then bake in a pre heated oven 180°C fan /200°C (gas 6) for 40 minutes until tender
Scoop out the flesh & blend until smooth
Fold through the chilli, ginger & season to taste
Keep warm
Method for the dressing
Gently sweat the shallot, garlic, Szechuan pepper & anise in the oil until lightly coloured
Add the honey, soy & miso & boil to a syrup consistency
Add the poultry stock then reduce to a syrup & pass into a clean saucepan
Reduce the heat to low & whisk in the cold butter a little at a time
Finish with a squeeze of lime juice & reserve
To Finish
Pre heat oven to 180°C fan /200°C (gas 6)
Cook the duck breasts in a heavy based fry pan over a gentle heat skin side down until the fat renders & becomes golden brown this will take 8-10 minutes then tip away excess fat & sear the reverse side of the breast for 30 seconds
Brush with the glaze & transfer to the oven skin side up for 7-8 minutes, the breasts should be slightly springy to touch for a nice pink finish (core temperature 58 °C)
Remove to a wire rack & brush with more glaze then leave to rest for a good 5 minutes
To assemble
Spoon the sweet potato puree onto warm serving plate
Carve the duck across the breast & place onto the plate
Spoon around the warm butter dressing
Finish with steamed Asian greens & fresh coriander