In a small bowl, combine the vinegar, preserved lemon juice, and cumin seeds
. Slowly whisk
in the olive oil until it is all incorporated. Adjust seasonings with salt and pepper, to taste.
Place tomato wedges in a separate bowl. Season the tomatoes
with the preserving brine, and additional salt and 1/2 teaspoon pepper. Add the chopped lemon rind, cilantro, parsley, and red onions
, tossing to coat well. Taste and adjust seasoning with salt and pepper as needed. Drizzle
a small amount of the dressing over the tomato mixture and toss to combine.
Arrange lettuce on 4 salad plates. Top with equal amounts of the tomato mixture and drizzle with additional dressing
, if desired. Serve immediately.