tuna lettuce wrap with avocado yogurt dressing

Ingredients

• - 4 large leaves butter or bibb lettuce
• - 4 oz good quality tuna in olive oil, drained
• - 1 heart of palm, drained and sliced
• - 1/4 cup cherry tomatoes, quartered
• - 1/4 cup shredded or grated carrot
• - 2 thinly sliced red onion, separated into rings
• - 2 tablespoon avocado yogurt dressing
• - for the avocado yogurt dressing (makes about 2/3 cup):
• - 1/2 cup 2% greek yogurt
• - 1/4 small avocado (1 oz)
• - 3 tbsp fresh chopped cilantro
• - 1/2 jalapeno pepper, seeds and membrane removed for mild heat
• - 1 clove garlic
• - juice from 1/4 lime
• - 1/8 tsp kosher salt
• - freshly ground pepper, to taste
• - 1 tablespoon water, as needed