Use leftover meat, fish, or vegetables to prepare croquettes or meatballs. Make comforting broths using ham, chicken, or seafood bones. Turn leftover mashed potatoes or salads into fillings for empanadas, cannelloni, or lasagna. Transform stale bread into croutons, breadcrumbs, or French toast. Repurpose leftover nougat to make ice cream, mousses, or milkshakes. Blend roasted vegetable leftovers into a delicious purée or dip. Give glass jars a second life. Wash them and use them as organizers for spices or homemade jams. Portion out leftovers and store them in the freezer to avoid waste. Reimagine marzipan. Mix it with melted chocolate to create homemade truffles. Use citrus peels to infuse teas or as fertilizer for your plants.