1. Place cashews into a bowl with 3/4 cup cold water. Allow to soak for at least two hours before preparing the mock techinah.
2. Meanwhile, clean the chicken and cut into two-inch (five centimeter) squares. Combine marinade ingredients. Set aside 1/4 cup of the mixture. Place the remainder into a ziplock bag along with the chicken to marinate for at least 30 minutes.
3. Preheat oven to 350 degrees Fahrenheit (175 degrees Celsius).
4. Sprinkle eggplant and onion wedges with salt and drizzle with olive oil. Toss to coat.