Tuna Lettuce Wrap with Avocado Yogurt Dressing

large leaves Butter or Bibb Lettuce

good quality tuna in olive oil, drained* (I used Tonino)

heart of palm, drained and sliced

cherry tomatoes, quartered

shredded or grated carrot

thinly sliced red onion, separated into rings

tablespoon Avocado Yogurt Dressing (recipe follows)

2% Greek yogurt

small avocado (1 oz)

fresh chopped cilantro

jalapeno pepper, seeds and membrane removed for mild heat

garlic

Juice from 1/4 lime

kosher salt

freshly ground pepper,

water, as needed