The Shokupan Umami Dip: A Shojin Meditation

Introduction

In the quiet stillness of the Kyoto morning, I find that even a humble sandwich can become a vessel for shojin ryori principles. Today, we honor the transition of the seasons by marrying the rustic comfort of a dredged gourmet sandwich with the refined depth of temple cooking. We take the king oyster mushroom, a gift of the earth with the texture of the sea, and subject it to the dual discipline of binchotan charcoal and agedashi frying. The dredge is not merely a coating, but a concentrated reduction of my house kombu dashi and 3-year aged tamari, creating a sandwich that breathes with umami and speaks of the hearth.

Ingredients

• 4 thick slices of vegan Shokupan or artisan sourdough
• 2 large King Oyster mushrooms, sliced lengthwise into 1cm steaks
• 100g Katakuriko (potato starch) for dredging
• 200ml concentrated Kombu Dashi
• 2 tablespoons 3-year aged Tamari
• 1 tablespoon house-made white Miso
• 1 teaspoon grated ginger
• 1 cup finely shredded green cabbage (katsuramuki style)
• 4 slices of Nukazuke (rice-bran pickled) Daikon
• High-smoke point vegetable oil for flash frying
• A pinch of Sansho pepper
• Small sprigs of fresh Shiso for garnish

Instructions

1. Begin by scoring the King Oyster mushroom steaks in a crosshatch pattern to allow the flavors to penetrate.
2. Lightly brush the mushrooms with a touch of tamari and sear them over binchotan charcoal or a cast iron griddle until they release their moisture and develop golden char marks.
3. In a small cedar pot, whisk together the concentrated kombu dashi, aged tamari, white miso, and grated ginger. Simmer gently until the liquid reduces by half into a thick, glossy glaze.
4. Dredge the grilled mushrooms thoroughly in katakuriko, shaking off any excess.
5. Heat the oil to 180 degrees Celsius and flash-fry the mushrooms for only 60 seconds until a delicate, translucent crust forms. This is the agedashi technique.
6. Lightly toast the Shokupan slices. Spread a thin layer of miso on the inner faces.
7. Place a bed of the finely shredded cabbage on the bottom slice, followed by the crispy mushrooms.
8. Generously pour half of the warm dashi reduction over the mushrooms—this is the soul of the dredge—allowing the bread to absorb the essence.
9. Top with nukazuke daikon slices and a dusting of sansho pepper.
10. Close the sandwich, press gently to marry the textures, and slice with a single, decisive stroke of a sharp yanagiba knife.
11. Serve immediately with the remaining dashi reduction on the side for extra dipping.

As you consume this, notice the contrast between the crisp exterior and the yielding heart of the mushroom. The nukazuke pickles provide the necessary brightness to cut through the richness of the dashi reduction. It is a simple meal, yet it contains the labor of months in the fermented miso and the aged tamari. May it bring you a moment of peace and a deep connection to the ingredients of this day.

Hiroshi