Shrimp, Avocado and Hearts of Palm Salad

Ingredients

• 7 cloves garlic (crushed)
• 2 bay leaves
• 1 teaspoon fennel seeds
• 1/2 teaspoon black peppercorns
• 1/2 teaspoon salt (divided)
• 1 pound extra-large raw shrimp
• 8 ounces hearts of palm (cut in 1/2-inch slices)
• 2 avocados (cut in 1/2-inch dice)
• 2 tomatoes (cut in 1/2-inch dice)
• 1 green bell pepper (cut in 1/2-inch dice)
• 2 tablespoons heavy cream
• 4 tablespoons fresh lime juice (divided)
• 1 tablespoon organic ketchup
• 1/4 teaspoon hot sauce, such as Tabasco (to taste)
• 4 tablespoons flaxseed oil
• 1/4 teaspoon freshly ground black pepper
• 2 small heads butter lettuce (torn into bite-size pieces)
• 2 tablespoons sliced chives or scallions