1. Steam the abalone over high heat for about 5 minutes until just cooked through. Remove from the steamer and slice thinly on the diagonal. Reserve.
2. Divide the noodles evenly into 6 warm soup bowls. Reserve.
3. Bring the dashi to a simmer and add the soy sauce, sake, pumpkin, zest and shiitake. Simmer 1 minute then taste and season with salt.
4. Add the spring onion, mushrooms, and abalone and bring back to the boil.
5. Remove from the heat and divide everything evenly between the 6 bowls with the noodles and serve immediately.
Ty Mahler infuses flavour into the Abalone with a cryovac before cooking.