Remove the crusts from bread and soak in cold water. Wash the tomatoes, carve them crosswise and blanch them with boiling water, rinse and peel the skin. Clean, wash and finely dice red peppers.
Peel the garlic, squeeze the bread. Puree tomatoes, up to 150 g, peppers, up to 1 tablespoon, garlic and bread in portions.
Dissolve the stock in 3 tablespoons of hot water. Stir the stock, 2 tablespoons of olive oil and vinegar into the puree. Season with salt and pepper. Chill for about 4 hours (or overnight).
Onions peel and chop finely. Clean, wash and finely dice the green pepper and cucumber. Quarter the remaining tomatoes, remove seeds and dice finely. Season soup with salt, pepper, sugar and lemon juice.
Wash basil, shake dry, pluck leaves from the stems and cut finely. Serve the soup, sprinkle with diced vegetables and basil and sprinkle with 2 tablespoons of oil.