Ben Shewry moved from his home of New Zealand to Australia about 20 years ago. A young chef, he came to study, train, and learn. He was amazed by the flavors and textures of the native ingredients of Australia, and perplexed by the lack of interest Australians took in them. He became a great champion for these ingredients—fruits, vegetables, herbs, and spices with names like lilly pilly, desert lime, quandong, lemon myrtle…