Lamb Meatballs with Gremolata

Name: Lamb Meatballs with Gremolata
Ingredients: Three 1-inch slices crusty Italian bread, crust removed and cut into cubes; 1/2 cup whole milk; 2 small shallots, roughly chopped; 1 clove garlic, roughly chopped; 2 tablespoons dried currants; 2 tablespoons pine nuts, toasted; 1 tablespoon fresh parsley, stemmed; 1 teaspoon ground cumin; 1 egg; Kosher saltand freshly ground black pepper; 1 pound ground lamb(85 percent lean); 1 cup canola oil; 1 cup roughly chopped fresh parsley; 1/2 cup roughly chopped fresh mint; 2 cloves garlic, chopped; Zest of 1 lemon plus 1 tablespoon juice; Kosher salt and freshly ground black pepper; 1/4 cup extra-virgin olive oil