Shredded left over chicken from freezer, frozen stir fry veg, noodles, chunky peanut butter and sweet chilli sauce to make a v quick satay noodles.
Again shredded left over chicken/pork whatever, frozen chopped onions, chopped pepper, tinned tomatoes, garlic (frozen chunks good) and spices thrown together in a frying pan then in a wrap with salad/cheese etc..
Late husbands family recipe for corn beef hash- like a quick shepherd's pie. Layer corned beef, baked beans, mash (frozen fine for quickness) then grated cheese and bake for about 30-40 mins. I hate corned beef but this is actually quite nice. DC loves it.
Another of late MIL's recipes (an amazing cook- from south east Asia but could turn her hand to anything on a budget). Cook macaroni, fry up onions, bacon bits (or lardons) some mushrooms, add chopped tomatoes and some mixed herbs. Mix in with macaroni in an oven proof dish and top with grated cheese and bake. Takes minutes and kids love it.
Keep frozen chopped onions/garlic/veg and herbs in your freezer and this really cits down cooking time when in a hurry. Same with tinned tomatoes/passata. We have frozen mash in the freezer just to add to a very quick cottage pie etc. Also when I make curry pastes/ pasta sauce bases I freeze loads. I am not a batch cooking person but it makes sense to make these in quantities.