Vegetarian-sweet & sour pork-rib

Ingredients:
1/2 yam
2 pieces of you tiao (dough sticks)
1 piece of pineapple
1/4 green pepper
1/4 red pepper
300gm of self-raising flour

Seasoning:
1/2 tsp of salt
1 tsp of sugar
1 tbsp of vinegar
2 tbsp of tomato sauce (ketchup)
1 tbsp of white sesame oil

Thickening:
2 tbsp of cornstarch
2 tbsp of water

Method:
1. Strip, clean and shred yam, cut the fried you tiao by pieces, dice the pineapple, green pepper, red pepper. Fry the yam, then let it cool down. Once it cold, put inside each of the fried you tiao. Stir flour with water into batter, coat the stuff you tiao with batter and fry in the midheat, drain.

2. Heat 2 tbsp oil, fry the diced pineapple, green pepper, red pepper, dish up. Put salt, sugar, vinegar, tomato sauce, 150ml of water to the wok, then add in the ready-fried you tiao, stew until being well-done, then add in pineapple, green & red pepper to fry a while.

3. Add in thickening then stir a while, add sesame oil. Ready to serve.