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1
Brew the sencha at 70–75°C — not boiling. Steep for the standard time for a strong infusion. Combine with an equal volume of dashi in a small saucepan and warm gently to serving temperature. Season with a very small amount of soy sauce and mirin. The broth is ready when it is fragrant, a clean gold-green in colour, and carries a perceptible but not dominant seasoning.
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2
Grill the salmon until just cooked through and the surface has taken a little colour. Remove the skin and flake the flesh into rough, generous pieces. The salmon is ready when the flesh separates cleanly along its grain and the interior is opaque.
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3
Divide the freshly cooked rice among four bowls. The rice must be at optimal serving temperature — not cold, not left to sit. Arrange the flaked salmon, nori strips, a small mound of grated wasabi, and a portion of fu over the surface of the rice in each bowl before any liquid is added. Topping placement is the only visual step: the bowl should be composed and complete before the broth arrives.
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4
This is where the dish lives or dies. Pour the dashi-cha broth over the composed bowl at the table, at 70–75°C — not boiling. The liquid should be sufficient for the rice to absorb some broth and soften, but the bowl is not soup: the rice retains its presence and the toppings remain above the liquid line. Boiling water scalds the tea, strips its sweetness, and destroys the delicacy the broth was built to carry. The correct pour produces a clean, fragrant steam and a broth that is warm, not aggressive.