scalloped potatoes (layer slices of raw potato & red onion, dot each layer with butter & plain flour), pour milk over, cover with foil, bung in hot oven for 45 mins, take foil off for last 10 mins so top crisps up; sometimes i also put a little grated cheese between the layers)
fish pie (or any kind of pie!)
cake!
do you have a grill? or microwave?