Slice the tempeh cake into large slices amd place them in a mixing bowl.
Marinate the tempeh with pineapple juice , rice wine vinegar and soya sauce.
Soak the tempeh for 30 minutes and keep keep tossing them in between so that each piece is nicely marinated.
Pre heat the oven at 180C. Spray the baking tray with non stick spray or grease the tray.
Please the marinated tempeh pieces in the baking tray.
Bake it for 15 minutes. The tempeh starts to get brown and crisp on the outside.
Flip the side and let it bake for another 15 minutes until the tempeh is browned on all sides and nice and firm.
While the tempeh is baking let us prepare the sauce.
Combine all the ingredients for sauce in a wide bottom pan . Whisk until the corn starch is fully dissolved.
Place the pan on medium heat and whisk until it starts to simmer. After 4 minutes turn off the heat.
Once the wings are done , toss them in the sauce until nicely coated.
Bake them for another 2-3 minutes.
Garnish with extra sauce , green chilli , roasted sesame seeds or spring onion and serve immediately.