Hi! totally understand where you're coming from, I struggled so much during my undergraduate degree to plan for meals. What I do is meal prep. I know it sounds daunting. But it's a time saver overall!! Basically I would advise making stuff like you said- chicken curry, pasta salad, fajitas, potato gratin, fish with veggies, nuggets, noodles (try the rice noodles they go down better)... But instead of making it for 2 days make it for 4 days, and get some tupperwares. Then spread out your meal into 4 tupperwares, and add a carb like rice, pasta or potatoes when there isn't one yet. Then you'll have one meal per day for 4 days already preped, ready to be heated. Gamed changer. You can do that for lunch and dinner honestly. For your plate composition, try 1/3 veggies, 1/3 proteins and 1/3 carbs. Carbs and protein make you full longer. Fats help you gain weight too. For the flavour, I would suggest getting some herbs and seasoning like oregon, thyme, fajitas seasoning, paprika basil etc. You can't go wrong with these. Hope it helps!!