Halve the baguette lengthwise and cut into 3-4 mm thin slices. Heat 4 tablespoons of oil in a large coated pan with a high rim. Fry the baguette in portions until crispy, turning. Remove.
Cut the sausages into slices of about 1 cm thick. Heat 1 tbsp. oil in the frying fat. Fry the sausage slices in it at medium heat for 6-8 minutes.
Meanwhile wash and quarter the tomatoes. Peel onions and garlic. Chop the onions coarsely. Cut garlic into wafer-thin slices. Add both to the sausage in the pan and fry briefly. Add the tomatoes and fry for about 5 minutes.
Drizzle with vinegar, bring to the boil.
Wash the basil, shake dry, pluck the leaves and cut into fine strips. Season sausage-tomato pan with salt, pepper and sugar. Fold in bread and basil and serve immediately.
Drink tip: cool beer!.