Frozen dinners seem to have come a long way, even in the past 10 years. My father is on a diet plan and the way he does it is to have basically nothing in his house except "healthy" frozen meals and healthy-ish snacks like nut mixes and apple chips. The word healthy is in scare quotes but actually they seem relatively okay: a good amount of grains, usually enough veggies to satisfy a serving or two, and enough protein to feel sated. Just don't reach into the freezer aisle blindly and you can come out with something decent.

If you can't muster the energy at the end of your day to cook a meal, these are a pretty decent substitute.