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Jerusalem Artichoke Foam with Porcini Powder

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Another great application of the versatile iSi Gourmet Whip. A delicious airy soup made of Jerusalem Artichokes and garnished with porcini powder and artichoke crisps. Recipe from Chef Abraham Tan from Singapore.



- 375 g (13.2 oz) Jerusalem Artichoke

- 75 g (2.65 oz) leek

- 125 g (4.4 oz) white onion

- 250 ml (8.5 oz) UHT cream

- 0.5 l (17 oz) water

- 0.5 l (17 oz) milk

- salt

- 2.5 g (0.09 oz) thyme

-1 bay leaf


-Porcini powder

-Artichoke crisp


1- Roast the artichoke in the oven until soft. Remove the skin and cut into small pieces. (Roast a few pieces in a pan with some oil in the oven to make crisps to be used as garnish.)

2- Saute all vegetables until fragrant and add the herbs.

3- Pour in all liquid ingredients and bring to the boil. Add in the artichoke and simmer until all vegetables turn soft. Remove bay leaf and blend.

4- Season to taste. Pass through the iSi Funnel and Sieve directly into 1L iSi Whipper. Screw on 1 iSi cream charger and shake vigorously. Repeat process with a second charger.

5- Keep hot in the iSi Gourmet Whip at 65 °C (150 °F) in a bain-marie or in a water bath. Shake well before serving.

Assemble and Serve

1- Pump foam into dish.

2- Garnish with porcini powder and artichoke crisps.