Oven: Preheat oven to 400 °F (200 °C). Place skewers on a lightly oiled baking sheet. Cook for 15 to 20 minutes.
BBQ: Brush the cool barbecue grill with vegetable oil. Preheat barbecue to medium. Cook for 15 to 20 minutes. Turn skewers once or twice during cooking. Cook until chicken reaches an internal temperature of 165 °F (74 °C).
Tomato, grilled peach and herb salsa
In a pan or on the barbecue, grill peaches at high intensity to create visible marks and dice.
In a bowl, mix all ingredients and season.
Bean, edamame, buckwheat, shiitake and roasted shallot salad
For the vinaigrette, whisk all ingredients and season.
For the salad, preheat oven to 350 °F (180 °C). Spread the shiitake mushrooms on a baking sheet, coat with olive oil and mirin, and season with salt and pepper. Cook in the oven for approximately 30 minutes or until golden. Leave to cool and slice the shiitake mushrooms.* For barbecue cooking, cut the shallots in two. Coat the shiitake mushrooms and shallots with olive oil and mirin. Season with salt and pepper. Cook on the indirect grill until golden.
In a large bowl, mix all ingredients with the vinaigrette, to taste. Season.