Glad to hear it! You can swap meal types when you create an account, but if you don't want to create an account, you can edit the settings on Breakfast with the 3-dot menu (and even just name it something else like Family Dinner).

At the moment, you can set an integer multiplier on a meal to have it scale up the ingredients (it's the Family Scale setting on the Meal Type). However, it will still be based on your own nutrition targets, and you might want to set it for 3 people and split one serving between your two kids.

If you wanted something more targeted for each of your family members, would it still be appealing to you the planner said something like "You eat one serving, your wife 0.8 servings, and each of your kids 0.4 servings", with some gram weight measurements, or are exact nutrition targets not super important for your needs?