1. Go to Planning tools area.
2. Go to Guest list tab
3. Open Household profile:
4. Select Meal choice tab
5. Select event
6. Edit meal choice for each members directly in the table
7. Use “Meal choice for all” option if you want to set the same meal for all members.
NOTE: If you want to change courses or meals for an event you can do this on Events tab (link to article)