I have teenage boys who eat at odd times and have opposite tastes, so I batch cook ready meals for them and freeze.
DS1's favourite is chicken and butternut lasagne:
Cut the butternut into chunks, oil and salt, roast
Add a dash of cream and a knob of butter, then puree
Make a basic bechamel sauce and mix in a big dollop of masarpone and salt/pepper to taste
Lightly fry small chicken chunks, then add to the white sauce
Layer up chicken in sauce/fresh lasagne sheets/butternut puree, adding small blobs of green pesto here and there
Top with grated parmesan, cheddar and breadcrumbs, then scatter a few pine nuts on top and drizzle with olive oil.
Bake for 25 minutes if fresh, 50 minutes if frozen (or until piping hot in the middle)