Storage: Place the airtight containers in the refrigerator for up to 5 days. To freeze, place the turkey meatballs and tomato sauce (without the Zucchini Noodles with Lemon Vinaigrette) in freezer safe containers and freeze up to 2 months. To defrost, refrigerate overnight. To reheat, microwave uncovered on high for 2-3 minutes, Alternatively, reheat the entire batch of meatballs and sauce in a medium saucepan on the stove top. Bring to a boil, reduce the heat and simmer until heated through 10-15 minutes.
Source : https://www.foodnetwork.com/healthyeats/food-and-nutrition-experts/2018/7/smart-meal-prep