Peel and wash the potatoes and cut them into long slices. Spread out on a baking tray lined with baking paper. Sprinkle with 1 teaspoon of oil. Season with salt, pepper and dried herbs.
Cook in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for approx. 40 minutes. Turn once after 20 minutes. In the meantime, wash the sausages and pat them dry. Fry them in 1 teaspoon of hot oil all around for about 5 minutes.
Sprinkle with 1 teaspoon of curry and remove. Add ketchup and strained tomatoes to the cooking fat, bring to the boil briefly. Season to taste with salt, pepper, curry and vinegar. Cut curry sausages into pieces and serve in portions.
A colourful leaf salad tastes good with it.