Salmon en croute is dead easy, can be assembled in advance, and looks/tastes like you've spent hours in the kitchen.
Simply cook trout or mackerel in foil cases with onion, lemon, wine.
Traditional Fish pie.
Jamie Oliver's cod, prawn and avocado covered in cream and cheese and baked.
Home made pizza and salad? Quiche? Salad buffet?
Stir fry veg served with noodles
Struggle after that cos we're major meat/poultry eaters.
Pudds:
Warm soft fruit salad
Lemon meringue icecream served with Lemon Drizzle Cake and mixed berries
Grilled Pineapple with Barbados Cream (Cream/yog whipped together and layered with muscovado/similar sugar)
Magic Chocolate pudding
Baked Camembert (also good for lunch/snack)
Most of these recipes should be available via google or even MNet search, let me know if you like the sound of any and you can't find them elsewhere