I'm with Cookie on this one as I also freeze many of my leftovers if I do a full quantity recipe.
Johnro's Macaroni Beef, Chookie's Chow Mein, JulieO's Beef Enchiladas, the recipe I posted of Nico Moretti's Thai Chilli Chicken & Basil, riv_mum's Chicken, ricotta & spinach cannelloni - just a few of those I have frozen successfully, there are many more. Chelsea's Chicken Kiev can be prepared and frozen just like the cordon bleu mel81q mentioned and then of course the old favourite, spaghetti bolognaise sauce (Ragu in the EDC). Plenty of things for variety debetha - when is the baby due?