Wash the parsley, shake dry, pluck the leaves from the stalks and chop finely, except for something to garnish. Wash the lemon hot, grate dry and tear off the peel in thin strips with a pestle ripper. Chop lemon peel finely. Halve the fruit and squeeze the juice from 1 half. Peel garlic and press it through a garlic press. Mix parsley, lemon peel, garlic, lemon juice and 2 tbsp. olive oil. Season with salt and pepper
Spread bread thinly with 4 tablespoons of oil. Spread on a baking tray lined with baking paper. Roast in a preheated oven (electric cooker: 175 °C/ circulating air: 150 °C/ gas: see manufacturer) for approx. 10 minutes
Clean, wash and cut the spring onions into rings. Leave the bacon in a pot without fat until crispy. Remove bacon, put soup and spring onions into the pot and bring to the boil. Arrange soup, bacon and toast. Garnish with parsley