From Tokyo's Buchi.
1 duck breast, boneless, skin-on
1 white part of leek, outer layer intact
1 tsp EVOO
ponzu sauce
S&P
Ponzu Sauce
120 ml citrus juice (daidai, yuzu, sudachi, lime or lemon)
20 ml soy sauce
2 2/3 tblsp mirin
1 tblsp sake
1 piece dried kombu pelp (3cm square)
2 tblsp bonito flakes
1 small dried shiitake mushroom
Yuzu-Kosho Pepper Paste
30 gr yuzu citrus skin
30 gr fresh hot green chili, i.e., serrano
1 tsp salt
1/8 tsp shochu, sake or fresh yuzu juice
- 10 days ahead, make pepper paste: chop the yuzu skin and green chili, blend with salt and shochu until a corse paste; transfer to airtight container and let mellow
- 3 days ahead, mix all ingredients for ponzu sauce, refrigerate and strain through a fine mesh sieve
- preheat oven 200 C
- trim any excess duck skin off the flesh, pierce skin in several places
- rub the breast with S&P
- heat EVOO until hot over medium heat, add the duck skin-side down and sear until the fat is rendered and the skin golden crispy
- soak up rendered fat with paper towels
- flip the breast over, transfer the pan to the oven, roast duck 4-6 minutes until medium rare
- while hot, marinate in ponzu sauce for 3 hours
- grill the leek with medium flame until the outside is charred and inside is soft
- when cooled enough to handle, discard the outer layer and cut the leek into bite-size pieces
- cut the duck breast diagnally into 1/4 inch slices and fold over the leek
- garnish with yuzu-kosho pepper paste, scallions, and/or sudachi citrus, grated daikon