Sweet and Sour Chicken Meatballs Ingredients For sauce: 2 Tablespoons extra virgin olive oil 1 small yellow onion, minced 1 cup canned tomato sauce 1 cup dry red wine (white works too actually) ¼ cup Nektar Naturals (12 packets) or more (1/2 cup total) if you want sweeter meatballs! Juice from 1 lemon ¼ cup