Soak the cashews in water for at least three hours but overnight is better.
To Make the Pesto
Crush the garlic and loosely chop the herbs, chili and spring onions.
Place these and the remaining ingredients into a food processor and pulse until chopped finely. Place to one side.
To Make the Cashew Cheese
Place your soaked cashews and the water into a food processor. Pulse until the mixture becomes smooth and free of lumps. This can take a while.
Crush the garlic and then add all the remaining ingredients to the cashew mixture. Again, pulse until everything is smooth and mixed through.
If you have the time, it’s worthwhile popping both the pesto and the cashew cheese into the fridge for a few hours to allow the flavors to blend and settle.
Assembling the Mushies
Preheat the oven to 180°C.
Wash the mushrooms and pull out the stems.
Scoop the pesto into the mushroom heads, then add a dollop of the cashew cheese on top. Sprinkle with freshly cracked pepper.
Place in the oven and bake for 10-20 minutes until the cashew cheese is golden and the mushrooms are cooked through.
Pop them out on a serving platter and watch the little guys disappear before your eyes.