Stir contents of package into 200 ml of cold water, add eggs. Knead ingredients. Leave to swell for 5-10 minutes. Form 6 hamburgers. Heat oil in a frying pan, fry hamburgers at low heat for 6-8 minutes until golden brown.
Wash, clean and slice the vegetables. Season with salt and pepper. Clean, wash and drain the salad. Cut open bread rolls, spread with crème fraîche, layer hamburgers and spiced slices of pepper and cucumber in between. Serve immediately on romaine lettuce leaves