That is their choice. Don't become a short-order cook. Don't prepare an alternative to the meal or keep the jar of peanut butter on the table. Short-order cooking gives children a strong message that you don't expect them to learn to eat the food you make for them. Your problem is time.
Planning is essential.
You can get along on simple food. Depend on the grocery store to do some of your work. You can buy meats that are already cut into serving-sized portions, frozen vegetables, or already washed salad greens and vegetables. You can use high-quality mixes or prepared foods. Bread, cereal, rice, pasta Serve a starchy food plus bread.