I thought my 2.5 DD was going through a bit of a fussy phase with dinner but not letting her have an afternoon snack other than a few grapes or small piece of fruit has got her back to eating a good meal in the evening. She is thin as a rake, despite eating vast portions of most things, definitely not my metabolism she has.
Breakfasts: porridge, toast with jam or marmite, fruit and greek yoghurt, cereals, egg and soldiers, beans on toast, pancakes and fruit occasionally if I am feeling keen.
Lunches: Sandwich, tortilla wrap (she likes to help make this and pretend she is Katy from I can cook
), marmite pasta, cheesy pasta, leftovers from night before, pita bread pizza, fishfingers and beans, soup and bread, sausage and beans, mushrooms and noodles, jacket potato, tuna and sweetcorn pasta...or on a day out with my Dad - crabs claws and blue slush puppy from Birmingham fish market 
Dinner: whatever we are having, unless very spicy or a takeaway. If it's something new and she's not keen I'd give her a bit of bread and butter too, or a substantial 'pudding' of banana and yoghurt or something.