Greek Meatballs with Green Beans and Tomatoes (Make-Ahead Freezer Meal)

Name: Greek Meatballs with Green Beans and Tomatoes (Make-Ahead Freezer Meal)
Prep time: 25 min
Cook time: 10 min
Total time: 35 min
Cuisine: Greek
Ingredients: 0.5 cup finely chopped onion; 0.5 cup crumbled feta cheese; 0.5 cup seasoned bread crumbs; 2 large eggs; 3 tablespoons minced fresh parsley; 2 teaspoons minced garlic; 0.5 teaspoon dried oregano; 1 teaspoon lemon zest; 2 pounds ground turkey; 1 teaspoon kosher salt; 0.5 teaspoon ground black pepper; 1.25 pounds fresh green beans, trimmed; 1 pint cherry tomatoes; 1 tablespoon olive oil, or as needed; 0.5 teaspoon kosher salt; 1 (6 ounce) container plain Greek yogurt; 1 tablespoon lemon juice; 1 teaspoon dried dill; 0.25 teaspoon kosher salt; 4 (6 inch) pita bread rounds