Chopped Shrimp Cocktail

½ pound cooked shrimp, peeled, deveined and chopped into bite size pieces
2 ripened red vine tomatoes, diced
1 teaspoon red onion, diced
1 teaspoon chopped cilantro leaves
1 teaspoon apple cider vinegar
1 teaspoon olive oil
1 teaspoon fresh squeezed lemon
salt to taste
baby romaine lettuce leaves to garnish martini glass

Mix all ingredients in a small bowl.  Line 2 martini glasses with baby romaine lettuce and scoop mixture evenly into each glass.  Garnish with a slice of lemon. Serves 2.