Soak the buns. Peel and chop the onion. Drain the pineapple and collect the juice. Clean and wash the leek. Cut 1 stick into rings, the rest into small pieces
Knead minced meat, egg, onion and squeezed out roll. Season with salt, pepper and chilli powder. Knead leek rings, 1-2 tbsp. nuts and half of pineapple into the minced mass. Shape into a loaf with moistened hands
Roast meat loaf on the greased baking tray in a hot oven (electric cooker: 200 ° C/ circulating air: 175 °C/ gas: level 3) for approx. 1 hour. After approx. 40 minutes spread the remaining nuts on top
Heat the oil. Fry the rest of the leek and pineapple for about 5 minutes, turning them over. Add sauce and 6 tbsp. pineapple juice, bring to the boil. Season to taste with salt, pepper and chilli. Arrange everything and garnish