Spaghetti with Turkey-Pesto Meatballs

Name: Spaghetti with Turkey-Pesto Meatballs
Cook time: 1 h
Total time: 1 h
Cuisine: European, Italian, Mediterranean
Ingredients: 1 1/2 pounds 93 percent lean ground turkey; 1 (7-ounce) container basil pesto (⅔ cup); 2/3 cup panko bread crumbs; 1/2 teaspoon plus ⅛ teaspoon table salt , divided, plus salt for cooking pasta; 1/4 teaspoon pepper; 3 (14.5 ounce) cans diced tomatoes , divided; 1 tablespoon extra-virgin olive oil; 1 onion , chopped fine; 4 garlic cloves , minced; Pinch red pepper flakes; 1 pound spaghetti; 3 tablespoons chopped fresh basil