Veggie burger with jackfruit in teriyaki sauce

Preparation

1. Dice the white onion finely and fry it in 1 tablespoon of olive oil.
2. Drain the jackfruit and tear it with a fork. Heat 2 tablespoons of olive oil in a frying pan, add the jackfruit and cook for a few minutes. Then add the teriyaki marinade, spices and fried onion. Fry another few minutes.
3. Meanwhile, cut the red onion into slices and fry it in 1-2 tablespoons of olive oil until it gets golden brown. Add sugar and cook it for 2 more minutes. Add wine. Fry it until the liquid evaporates completely.
4. Slice the tomato.
5. Cut each bun in half and stuff it successively with jackfruit, lettuce, tomato, red onion (and optionally with cucumbers).