Mix vinegar, salt, pepper, chilli and sugar. Whip the oil into the mixture. Peel onion and chop coarsely. Wash tomatoes, cut into pieces. Clean and wash the cucumber and cut it into quarters lengthwise. Cut into slices. Rinse beans and corn, drain. Mix everything. Leave to stand for at least 1 hour.
Fry bacon without fat until crispy. Drain on kitchen paper. Break the bacon into pieces. Mix crème fraîche and chilli
Season the salad to taste. Serve with some lettuce leaves and put a blob of chilli cream on each. Garnish with crispy bacon and chips. Add the rest of the crisps
Drink: cold beer