Salad dressings are tart, of course, so the best way to taste them is to dip a lettuce leaf in the dressing.
In a small bowl, whisk together the lemon juice, cream, poppyseeds, shallots, lemon zest, salt, and pepper. Whisking constantly, add the oil in a slow, steady stream until completely incorporated. Adjust the seasonings to taste.
nutrition information (per serving):