Preheat oven 400 degrees F. If frying, continue to the next step but skip step 5.
To prepare the soy curls, soak in warm water for 10 minutes. Drain soy curls using a colander and press to drain excess.
Transfer soy curls to a bowl and season with garlic powder, onion powder, paprika and salt.
If frying, heat oil on medium-high and cook seasoned soy curls until brown. Continue until all have been fried. Set aside.
If baking, spread soy curls on a prepared baking sheet and bake for 25 minutes or until brown. Set aside.
Meanwhile, prepare the Teriyaki sauce, heat oil in a saucepan on medium-high. add garlic, ginger and cook until fragrant, about 30 seconds. Add bell pepper and cook until tender, about 2 minutes.
Add pineapple juice. Bragg's liquid aminos, sugar and bring to boil. Mix cornstarch and water in a small bowl and add to the saucepan stirring to thicken.
Stir prepared soy curls into sauce to fully coat, add pineapple chunks and cayenne pepper. Garnish with spring onions, delicious served with brown rice.