Oyster Mushroom Cripsy Chips. A finalist in the NZ Food Awards, these delectably crunchy vegetable snacks with an umami flavour are hand crafted by Mushroom House in Plimmerton. The unique process uses 100% locally grown fresh Phoenix and Djamor oyster mushrooms. The mushrooms are dried and coated with a mix of flour, cornflour, free-range eggs, sunflower oil, vegetable bouillon and salt. 100g.