Tomato and red lentil soup is lovely. Quick and easy to do too. Also leek and potato soup.
Cheese and onion quiche is tasty with a fresh green salad.
Penne Arabatica is cheap and filling.
Quorn sausage casserole with chopped onion, a tin of plum tomatoes and a tin of haricot beans with a few new potatoes chopped in half with skin left on.
Mushroom omelette is quick.
Jacket potato with baked beans and cheese on top.
Rainbow Bolognese with a little bit of Quorn mince, two tins of tomatoes, squirt of garlic puree, basil, chopped peppers, one each of red, yellow and green ones. With spaghetti.
Tagiatelli in blue cheese sauce. Using a pot of creme fresh and a big blob of gorgamzola cheese poured over the tagiatelli.
Macaroni cheese.
My dh eats the above most weeks.