Mix the dressing ingredients together in a small bowl, season to taste with salt and pepper and then set aside.
Cook the scallops according to packet instructions.
At the same time heat a film of oil in a frying pan over a medium heat and cook the bacon until just crisp. Remove from the pan and set aside.
In individual bowls, combine the lettuce, cherry tomatoes, bacon, Parmesan cheese and croutons.
Divide the scallops between each salad.
Spoon a little dressing over each serving.