Wash the salad and shake dry. Wash lime hot, dry and cut into slices. Peel and slice the onions. Peel and chop garlic. Cut papaya in half, remove seeds, peel and dice.
Cook the beans in boiling salted water for about 4 minutes. Heat the oil in a large pan, fry the minced meat in it until crumbly. Add onions and garlic and fry for another 2 minutes. Season with soy sauce and Sriracha. Fold in drained beans, lime wedges and papaya cubes. Warm up briefly.
Cut cress from the bed. Spread the lettuce leaves on plates and fill them with the mince pan. Sprinkle with cress.