Ingreadient

• 2 tablespoons extra-virgin olive oil
• 1 small zucchini, finely diced
• 1 red bell pepper, finely diced
• 1 yellow bell pepper, finely diced
• 5 cloves garlic, smashed to a paste with coarse salt
• 1/2 teaspoon red pepper flakes
• kosher salt and freshly ground pepper
• 1 large egg, lightly beaten
• 1 tablespoon finely chopped fresh thyme
• 1/4 cup chopped fresh parsley
• 1 1/2 pounds ground turkey (90 percent lean)
• 1 cup panko (coarse japanese breadcrumbs)
• 1/2 cup freshly grated romano or parmesan cheese
• 3/4 cup ketchup
• 1/4 cup plus 2 tablespoons balsamic vinegar