Cook the lentils in boiling salted water for about 8 minutes. Then drain
Roast sunflower seeds in a pan without fat. Remove. Leave bacon in the pan until crispy. Drain on kitchen paper. Deglaze roast with vinegar and 2 tablespoons of water. Season with salt, pepper and sugar. Fold in the oil
Clean, wash and cut the salad into bite-sized pieces. Clean, wash and cut spring onions into rings. Mix the prepared salad ingredients with the marinade