What should be done if a new product is needed for a recipe?

If a new product is needed for a recipe, it is advisable to wait until the old product is finished before switching. This approach is based on the principle of managing resources efficiently and ensuring that nothing goes to waste. By using the remaining old product, you minimize leftover ingredients and avoid unnecessary disposal, which can be costly and environmentally unfriendly. Additionally, depending on the nature of the products, mixing new and old items could lead to inconsistent results or affect the final quality of the dish. Therefore, finishing the current stock before introducing a new product maintains a systematic approach in the kitchen.