Offer choices you can both honor
Check the ingredients, cooking time, and shopping plans before offering the alternatives. If you already know noodles cannot fit a busy Tuesday, do not include them as that night's choice. A genuine choice is easier for a child to understand than a question whose answer is secretly already fixed.
Let the choice change something visible
Put the chosen meal on a named night and give the child a part in it, such as choosing a topping. If the choice changes the next day, explain which ingredients are already on the list and save the new idea for another week.
Show the child where the selected dinner now appears. “You picked tacos for Wednesday; would you like to choose between these two toppings?” lets them see a consequence without making them responsible for an entire menu. Keep the choices simple and respect the household's existing food requirements.
Handle a changed mind after shopping
If the child asks for noodles instead, explain which ingredients were bought and offer the next day you can consider noodles. Deciding once does not mean a child must promise to like the dish in advance. After the meal, ask which part they enjoyed and use that information for the next pair of options.