Guatemalan Marinated Tomatoes

Ingredients

 * ¾ cup cider vinegar
 * 1½ teaspoons sugar
 * 2 teaspoons coarse salt
 * 1½ teaspoons freshly ground black pepper
 * ½ cup ketchup
 * 3 tablespoons water
 * 1½ teaspoons Worcestershire sauce
 * 1½ tablespoons fresh lemon juice
 * ½ cup olive oil
 * 4½ tablespoons coriander seeds; coarsely cracked
 * 12 small red ripe tomatoes, peeled
 * 1 head romaine lettuce; cut crosswise into ½-inch strips
 * 1 cup fresh cilantro sprigs

Directions

 * 1) In deep bowl, whisk together vinegar, sugar, salt, pepper, ketchup, water, worcestershire sauce, lemon juice, olive oil and coriander seeds.
 * 2) Prick each tomato with a fork in 3 or 4 places.
 * 3) Submerge tomatoes in the vinaigrette and marinate overnight in refrigerator.
 * 4) To serve, layer half the lettuce, cilantro and drained tomatoes in a serving bowl, then repeat layers.