Lobster Ceviche With Limestone Lettuce

Name: Lobster Ceviche With Limestone Lettuce
Ingredients: 1 clove garlic, peeled and minced; ½ tsp. ají panka (Peruvian chile paste); ½ tsp. powdered ginger; ½ tsp. freshly ground black pepper; ¼ cup fresh lemon juice; 2 pinches salt dissolved in 2 tbsp. water; 1 tsp. yuzu juice; 2 tsp. soy sauce; Meat from 1 boiled 2-lb Maine lobster, cut into ½ pieces and chilled; 12 very small bibb lettuce leaves; ½ small red onion, peeled and very thinly sliced; 3 cherry tomatoes, stemmed and quartered; 3 sprigs fresh cilantro plus 12 fresh cilantro leaves