Shrimp or Chicken Lettuce Wraps with Creamy Caesar Dressing

Name: Shrimp or Chicken Lettuce Wraps with Creamy Caesar Dressing
Ingredients: 2 hearts romaine lettuce; 1 pound jumbo fully cooked shrimp, from the seafood counter in market; 1 rotisserie chicken, available in many markets; 4 heaping tablespoons reduced fat mayonnaise; 1 clove garlic, crushed; 1 lemon, zested and juiced; 2 tablespoons anchovy paste, optional (But it tastes better with it in. If you think you don't like anchovies, try them in this sauce. They just taste salty and yummy!); 1/2 cup grated Parmigiano-Reggiano, a few handfuls; 2 teaspoons Worcestershire sauce; 1 teaspoon coarse black pepper, eyeball the amount in the palm of your hand: 1 teaspoon is equal to about 1/3 of a palm full; 3 tablespoons extra-virgin olive oil, pour to the count of 4