Lamb Meatballs with Eggplant Mash

Name: Lamb Meatballs with Eggplant Mash
Ingredients: 4 small eggplants (about 2 1/4 pounds); 1 1/2 cups mixed fresh herbs (such as cilantro, parsley and mint); 1 pound ground lamb; 1/2 cup breadcrumbs; 1/4 cup toasted pine nuts; 3 tablespoons plus 2 teaspoons extra-virgin olive oil; 2 cloves garlic, minced; 1 large egg, lightly beaten; Finely grated zest of 1 lemon plus 2 teaspoons lemon juice, plus lemon wedges for serving; Kosher salt and freshly ground pepper; 1/3 cup plain Greek yogurt; 1/3 cup pomegranate seeds