Turkey Meatballs

Name: Turkey Meatballs
Ingredients: 2 tablespoons olive oil plus 2 additional tablespoons; 1 large yellow onion, very finely diced; 3 cloves garlic, peeled and minced; 2 teaspoons fennel seeds; Coarse sea salt; Freshly ground pepper; 1 28 oz. can whole tomatoes, pulsed in a food processor with their juice or crushed by hand; 1/2 cup panko breadcrumbs; Zest of 1/2 lemon; 1/4 cup finely chopped flat-leaf parsley; 1 tablespoon finely chopped fresh thyme; 1 teaspoon finely chopped fresh rosemary; 1 pound ground turkey (preferably dark meat); 1 egg; 1 pound spaghetti, cooked just before serving; 1/4 cup basil leaves, roughly torn