You could try:
pasta with bacon and peas, stir in a tub of creme fraiche
Lemon pasta - toss cooked pasta in juice of a lemon. Melt in a pan a tub of philly type cheese, small carton of cream and zest of a lemon, then stir through pasta. Season well with black pepper.
salmon pasta - add a pack of smoked salmon trimmings, 1lb of frozen peas, some lemon juice and either creme fraiche or boursin.
brush chicken drumsticks with a mix of honey, lemon juice and soy sauce. Roast with the lemon carcasses.
tuna pasta bake
cook pasta, add some sliced courgettes and chopped, fresh tomatoes. put in an oven dish and top with some torn mozzarella and basil leaves. Bake for about 15 minutes.
Slice some potatoes quite thinly and cook until tender. cook some peas as well. Mix together with a tin of salmon. Mix through a tub of creme fraiche. Pour into an oven dish, top with grated cheese and stick in the oven until golden.
hm soup
jacket potatoes with tuna and sweetcorn
mix cooked chopped chicken with some leeks and an onion (both softened in butter.) Add about 1lb of thawed frozen peas and a carton of fresh cream of mushroom soup. Season well. Pour into an oven dish. Top with a bag of potato wedges or hash browns. BAke for 30 minutes until bubbly and potatoes are cooked.
Top cooked pork chops with a spoonful of salsa and some grated cheese and grill until cheese is melted and salsa is hot.
quesadillas with refried beans and cheese with a side of salad.
pasta with hotdogs, cheese and sweetcorn.
cold pasta with tuna, sweetcorn, spring onions, chopped cucumber and tomatoes with mayo.
toasted pittas, cut into strips with tzatziki and hummus for dipping with salad.
Tortilla pizzas