Clean, wash and cut the spring onion into rings. Peel and halve the shallots. Cut bacon into strips. Blanch beans in hot water for about 2 minutes, then rinse under cold water. Press the bean seeds out of the skin
Heat the oil in a pan. Fry the bacon and shallots for about 4 minutes. Add the beans and fry for about 3 minutes. Add spring onion, olive oil and olives, season with salt and pepper. Serve immediately