Clean and wash the cabbage and peppers and cut into wide strips or pieces. Drain the pineapple and collect the juice. Cut the pineapple into small pieces. Sort and wash the sprouts. Peel and finely dice onions
Wash the shrimps, dab dry, possibly defecate. Fry in hot oil in a large pan or wok for about 2 minutes on each side. Season with salt and pepper and remove. Fry cabbage in the frying fat while turning for 6-8 minutes. Fry onions and peppers for 2-3 minutes. Season with salt. Add sprouts and pineapple
Mix pineapple juice, ketchup, vinegar and sambal, add and stew covered for about 5 minutes. Stir starch and 2 tablespoons of water until smooth. Stir into the sauce and bring to the boil. Heat prawns in it. Season to taste with salt. Goes well with rice