You want unfussy, substantial food. Maybe for dinner:
Chuck roast or chicken with gravy
Some kind of beans
Some kind of potatoes
Some kind of green thing- green beans with ham?
Good bread and butter

A good dessert such as big brownies or cake, which could be made ahead and brought in

Breakfast, eggs, ham or sausage, bread or French toast, fruit, juice and milk, maybe hot or cold cereal